New Items

Product Details:

3.6 Volts

10 Grams

 

Additional Information:

• Item Code: 996
• Production Capacity: 1000
• Delivery Time: 2 day
• Packaging Details: box covered with bubble wrap

Product Details:

This TP4056 1A Li-Ion Battery Charging Board Type C with Current Protection is a tiny module, perfect for charging single cell 3.7V 1 Ah or higher lithium-ion (Li-Ion) cells such as 16550s that don''t have their own protection circuit. Based on the TP4056 charger IC and DW01 battery protection IC this module will offer 1A charge current then cut off when finished.

Furthermore, when the battery voltage drops below 2.4V the protection IC will switch the load off to protect the cell from running at too low of a voltage and also protects against over-voltage and reverse polarity connection (it will usually destroy itself instead of the battery) however please check you have it connected correctly the first time.

 

Using the module:

1. Connect Type C cable for power, or 5V DC to pads marked IN+ and IN- on the left-hand side of the module
2. Connect cell to charge to B+/B- pads on the right-hand side of the module.
3. A load (something for the battery to power) can be connected to the OUT+/OUT- pads on the right-hand side
4. Important! Disconnect load when charging
5. The red LED indicates charging in progress, the green LED indicates charging has finished.
6. Never charge your battery at a rate greater than 1C.

NOTE:

1. Ampere meter can only be connected to a 5v input end of the module.
2. It is better than the charging current is 37% of the battery capacity. If you charge the battery of 1000mAh, a current of 400mAh is enough.
3. The connection wire should not be too thick.
4. Make sure the connect point is good.
5. If the input voltage is too high, like 5.2v, the current will be less than 1000mA, it is normal. It is protection function, auto-subtract the charging current to avoid burn damage to the chip.
6. NO Reverse polarity.

Features :

1. Led indicator: Red is charging Green is fully charged.
2. Current Protection: Yes
3. Inversed polarity: NO.
4. Use mature charging chip TP4056 for simple peripheral circuits, good protection performance, and high charging accuracy.
5. Fully machinery automated processing, all patch parts manufacturing.

Additional Information:

• Production Capacity: 50000
• Delivery Time: 2
• Packaging Details: BUBBLE CONTAINER

Product Details:

Additional Information:

• Production Capacity: 30000
• Delivery Time: 2
• Packaging Details: BUBBLE WITH CONTAINER

Product Details:

1 Ethernet Shield

2 Relay Shield 3 ProtoShield 4 Motor Shield 5 LCD Shield 6 Capacitive Touchpad Shield 7 CAN-BUS shield 8 Smoke Detector Shield 9 Negative Voltage Generation Shield 10 Wave Shield 11 CISECO ProtoX Shield 12 64-Button Shield 13 Joystick Shield Kit 14 GSM/GPRS Shield 15 Gameduino Shield 16 microSD Shield 17 NFC/RFID Shield 18 Adafruit NeoPixel Shield 19 MP3 Player Shield 20 Camera Shield 21 GPS Logger Shield 22 Wireless SD Shield 23 cc300 Wi-Fi Shield 24 ESP8266 Wi-Fi Shield 25 HC-05 Bluetooth Shield
Arduino shields are boards that will expand the functionalities of your Arduino. You just need to plug them over the top of the Arduino board. There are countless types of shields to do countless tasks

Product Details:

 

This 3S 20A 18650 Lithium Battery Protection Board comes with recovery function-AUTO Recovery. It is suitable for the drills with starting current below 80A, power 135W below. It provides a continuous discharge of 20A, 100mA balanced current, for electric drill,sprayer, LED lights or low power inverter.  Reduce the load current use if the cooling method is not so good. 

It is best suitable for nominal voltage 3.6V 3.7V lithium battery(Including 18650,26650, lithium polymer batteries). Please check the circuit diagram shown in the image for battery connection. 

This 3S 20A 18650 Lithium Battery Protection Board comes with recovery function-AUTO Recovery. It is suitable for the drills with starting current below 80A, power 135W below. It provides a continuous discharge of 20A, 100mA balanced current, for electric drill,sprayer, LED lights or low power inverter.  Reduce the load current use if the cooling method is not so good. 

This 3S 20A 18650 Lithium Battery Protection Board comes with recovery function-AUTO Recovery. It is suitable for the drills with starting current below 80A, power 135W below. It provides a continuous discharge of 20A, 100mA balanced current, for electric drill,sprayer, LED lights or low power inverter.  Reduce the load current use if the cooling method is not so good. 

It is best suitable for nominal voltage 3.6V 3.7V lithium battery(Including 18650,26650, lithium polymer batteries). Please check the circuit diagram shown in the image for battery connection. 

This 3S 20A 18650 Lithium Battery Protection Board comes with recovery function-AUTO Recovery. It is suitable for the drills with starting current below 80A, power 135W below. It provides a continuous discharge of 20A, 100mA balanced current, for electric drill,sprayer, LED lights or low power inverter.  Reduce the load current use if the cooling method is not so good. 

 

Product Details:

This is tiny and compact digital voltmeter with a red LED Display. The 0.28inch 0-100V Three Wire DC Voltmeter Red Panel requires only a few minutes of configuration and is as simple as directly connecting wires to the source you want to measure and seeing the LED blink!!!!

The red wire is to connect to the positive pole, the black wire is to connect to negative pole and the yellow/white wire is to connect to the positive pole of that source or another source across which we meant to measure the voltage. While measuring the supply voltage of another source make sure that negative pole is joined common. No need to worry even if there is any connection mismatch of the wires, the electric circuit wont be a boom because it features reverse polarity protection.

To reach the best measurement accuracy, this voltmeter will automatically move the decimal points position according to the different measuring voltage. When it measures the voltage below 10V, it will display two places after the decimal point. When it measures the voltage above 10V, it will display one place after the decimal point.

This voltmeter can be used to measure the storage battery's voltage in motorcycles and cars and also can grasp the storage battery's status. It also can be used to measure other voltage. 30V is the voltmeters maximum operating limited voltage, please leave enough margin when working, to avoid voltmeters permanent damage because of an electrical spark, power supply ripple, or other too high abrupt change of voltage.

Very bight and decent LED Display is ready to measure the dc voltages in the range of 0V to 100V.

Additional Information:

• Delivery Time: 1
• Packaging Details: BUBBLE CONTAINER

Product Details:

How easy would it be to switch on your fan automatically as and when the temperature increases or decreases? All you need to do is, set a trigger temperature at which the fan should switch on or off. Using W1209 module, which is highly functional and low cost can help you to invent such minor yet amazing automation in your home!
W1209 thermostat module has a temperature sensor, keys, LED display, relay and requires DC 12V power supply. It is an affordable, good quality thermostat controller. Thermostats are devices that sense the temperature of a system so that the temperature is maintained at the desired set point or near to it. NTC temperature sensor allows the module to intelligently control varied electrical devices based on the temperature. NTC thermistor has a negative temperature coefficient, which means the resistance decreases with increasing temperature. W1209 has an inbuilt embedded micro-controller, thus not much programming knowledge is required. The module consists of three switches to configure the various parameters including ON and OFF trigger temperatures. The relay can operate at voltages up to a maximum of 240V AC at 5A or 14V DC at 10A to power on. The temperature is displayed in degree centigrade and with the help of 7-segment display and the relay, the state is displayed with the help of the LED present on the W1209 module.
W1209 Module SPECIFICATIONS:-

• Temperature Control Range: -50 ~ 110 C
• Resolution at -9.9 to 99.9: 0.1 C
• Resolution at all other temperatures: 1 C
• Measurement Accuracy: 0.1 C
• Control Accuracy: 0.1 C
• Refresh Rate: 0.5 Seconds
• Input Power (DC): 12V
• Measuring Inputs: NTC (10K 0.5%)
• Waterproof Sensor: 0.5M
• Output: 1 Channel Relay Output,
• Capacity: 10A

Power Consumption:-

• Static Current: <=35mA
• Current: <=65mA

Environmental Requirements:-

• Temperature: -10 ~ 60 C
• Humidity: 20-85%

Dimensions:-

• 48mm x 40mm x 14mm

Settings Chart:-

• Long press the “SET” button to activate the menu.
• Code Description Range Default Value
• P0 Heat C/H C
• P1 Backlash Set 0.1-15 2
• P2 Upper Limit 110 110
• P3 Lower Limit -50 -50
• P4 Correction -7.0 ~ 7.0 0
• P5 Delay Start Time 0-10 mins 0
• P6 High-Temperature Alarm 0-110 OFF
• Long pressing +- will reset all values to their default

Additional Information:

• Production Capacity: 500
• Delivery Time: 1
• Packaging Details: bubble container

Product Details:

This is the Mobile Power Boost DIY 18650 Lithium Battery Digital Dual USB mobile power module Accessories, 18650 Circuit board shell.
Meet the individual needs of your DIY, but you must understand basic electronic assembly. The motherboard comes with protection Charging, overcharge protection, over-discharge protection, overcurrent protection. Intelligent output device after charging full, automatically stop charging, to prevent mobile phones overcharge. Output voltage and current stable, will not harm user devices.

Additional Information:

• Production Capacity: 6363
• Delivery Time: 1
• Packaging Details: Bubble container

Product Details:

This 1203B PWM 6V 12V 24V 28V 3A DC Motor Speed Regulator allows controlling the speed of a motor with fully adjustable 0%-100%. The motor speed controller can easily provide a continuous current of 3A to your DC motor or other DC load.

Application:

• This PWM Speed controller is for DC 6V 12V 24V 28V Motor.

Pinouts:

• Motor+: Motor Positive Terminal
• Motor-: Motor Negative terminal
• Power+: DC 6V – 28V
• Power-: Gnd

Note: Product Image May vary in terms of front knob or connector colour according to the availability

Additional Information:

• Production Capacity: 672662
• Delivery Time: 1
• Packaging Details: Bubble container

Product Details:

Suitable for holding a 18650 battery on a pcb or any circuit. Standard dimensions of this battery are:
Diameter : 18.3 ± 0.1 mm ( Max. 18.4 mm ) Height : 64.9 ± 0.2 mm ( Max. 65.1 mm ).
Two or more holders can be placed/fixed side by side for applications involving multiple 18650 cells.

 

Additional Information:

• Production Capacity: 727662
• Delivery Time: 1
• Packaging Details: Bubble container

Product Details:

Relays are basically used to control high voltage circuits with the help of low voltage signals. They're also used as safety switches. This relay is used to switch on and off computers. The relay's coil voltage is 12VDC, and it can handle a load current of up to 7A.

Relays are basically used to control high voltage circuits with the help of low voltage signals. They're also used as safety switches. This relay is used to switch on and off computers. The relay's coil voltage is 12VDC, and it can handle a load current of up to 7A.

Additional Information:

• Production Capacity: 7363
• Delivery Time: 1
• Packaging Details: BUBBLE CONTAINER

Product Details:

Relays are basically used to control high voltage circuits with the help of low voltage signals. They're also used as safety switches. This relay is used to switch on and off computers. The relay's coil voltage is 12VDC, and it can handle a load current of up to 10A.

Relays are basically used to control high voltage circuits with the help of low voltage signals. They're also used as safety switches. This relay is used to switch on and off computers. The relay's coil voltage is 12VDC, and it can handle a load current of up to 7A.

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Additional Information:

• Production Capacity: 500
• Delivery Time: 1
• Packaging Details: BUBBLE CONTAINER

Product Details:

• 1-wire digital temperature sensor 
• Fairly precise (±0.5°C over much of the range) and can give up to 12 bits of precision from the onboard DAC.

• Supply Voltage	3.0 – 5.5V
  Temperature range	-55°C ~ +125°C
  Probe diameter	6 mm
  Probe length	50 mm
  Resolution	9 ~ 12 bit
  Query time	750 msec

   

Specifications: 

 

Description: 

•  1-wire digital temperature sensor 
• Fairly precise (±0.5°C over much of the range) and can give up to 12 bits of precision from the onboard DAC.

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• We at HatchnHack, believe that you as our custo

Additional Information:

• Production Capacity: 72662
• Delivery Time: 2
• Packaging Details: BUBBLE CONTAINER

Product Details:

10K Ohm NTC Thermistor is a special type of resistor whose value changes in accordance with its surrounding temperature. It is made by combining several metal oxides. This is an NTC (Negative Temperature Coefficient) type thermistor. Hence as the temperature increases then the resistance of the thermistor decreases and vice versa. It provides resistance of 10K ohm at 25° C.

10K Ohm NTC Thermistor can measure temperature in the range of -55°C to 125°C. It is a very economical sensor. The thermal cooling time constant for this NTC thermistor (in the air) is less than equal to 20 seconds. The thermistor is widely used in freezers, air conditioners, fire alarms, temperature protection in battery charging systems, engine temperature control, etc.

10K Ohm NTC Thermistor is a special type of resistor whose value changes in accordance with its surrounding temperature. It is made by combining several metal oxides. This is an NTC (Negative Temperature Coefficient) type thermistor. Hence as the temperature increases then the resistance of the thermistor decreases and vice versa. It provides resistance of 10K ohm at 25° C.

10K Ohm NTC Thermistor can measure temperature in the range of -55°C to 125°C. It is a very economical sensor. The thermal cooling time constant for this NTC thermistor (in the air) is less than equal to 20 seconds. The thermistor is widely used in freezers, air conditioners, fire alarms, temperature protection in battery charging systems, engine temperature control, etc.

Product Details:

2 Section 18650 Lithium-Ion Battery Support Bracket made of flame retardant ABS+PC materials, with high-temperature resistance and crack resistance. There are slots on the edge of the holder that can be combined to create a battery pack of many different sizes and shapes; after welding nickel tabs, the pack can pass vibration testing without using any other connecting device that makes your battery pack Solid and Reliable.

18650 (18mm diameter and 65mm Length) is one of the most common cell sizes found worldwide.  So it can be easily replaced in any battery-powered application. We need many cells to build a battery pack to power the high power devices like your laptop, small RC cars, or even any small Digital circuit with many sensors and actuators.

These Double Cell brackets will allow you to quickly build your battery pack without the assistance of any professional. Simply stack them with their hooks in any number you want, and you have a 18650 battery holder. The connections can then be made with metal tapes/strips. Because each bracket can hold two cells, you'll need two brackets for every two cells, one for the top and one for the bottom.

2 Section 18650 Lithium-Ion Battery Support Bracket made of flame retardant ABS+PC materials, with high-temperature resistance and crack resistance. There are slots on the edge of the holder that can be combined to create a battery pack of many different sizes and shapes; after welding nickel tabs, the pack can pass vibration testing without using any other connecting device that makes your battery pack Solid and Reliable.

18650 (18mm diameter and 65mm Length) is one of the most common cell sizes found worldwide.  So it can be easily replaced in any battery-powered application. We need many cells to build a battery pack to power the high power devices like your laptop, small RC cars, or even any small Digital circuit with many sensors and actuators.

These Double Cell brackets will allow you to quickly build your battery pack without the assistance of any professional. Simply stack them with their hooks in any number you want, and you have a 18650 battery holder. The connections can then be made with metal tapes/strips. Because each bracket can hold two cells, you'll need two brackets for every two cells, one for the top and one for the bottom.

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Additional Information:

• Production Capacity: 2221121
• Delivery Time: 2
• Packaging Details: BUBBLE CONTAINER

Product Details:

• 1x Mifare RC522 Card Read Antenna RF Module.
• 1x RFID plain white Card
• 1x RFID FOB
• 1x 8pin right-angle header pins
• 1x 8pin straight header pin.

Additional Information:

• Production Capacity: 82772
• Delivery Time: 2
• Packaging Details: Bubble container

Product Details:

• Small and neat sealed package
• Breadboard and Perf board friendly
• Buzzers | Voltage Buzzers | Alarming Circuits | Communication equipment | Automobile electronics | Portable equipment.

Additional Information:

• Production Capacity: 7627762
• Delivery Time: 2
• Packaging Details: BUBBLE CONTAINER

Product Details:

We offer to our honored patrons the first-class range of Mini Air Compressor. Furthermore, our patrons can avail this product from us at affordable rates.

Product Details:

This is 0.28-inch Digital Voltmeter Ammeter DC 100V 50A LED Amp Volt Meter With Shunt. This meter will measure up to 100 VDC with a 0.1-volt resolution.

One thing to note is, this meter has 2 wiring harnesses. One harness is to provide power for the meters, that’s the 2 poles with a RED and a BLACK lead. Small size, portable, the magnitudes of voltage and current are displayed on the same screen at the same time.

This can be supplied anywhere from 6 volts DC up to 30 VDC. This is a separate power supply that is isolated from the source, it is possible to use the same supply but it seems to affect the amp meter reading. The 3 wire harness is used for a ground that connects directly to the battery or supply ground of the load.

Additional Information:

• Production Capacity: 5000
• Delivery Time: 1
• Packaging Details: BUBBLE CONTAINER

Product Details:

This is All new tiny and compact digital voltmeter with a RED LED Display. The 0.56inch 0-100V Three Wire DC Voltmeter Red Panel requires only a few minutes of configuration and is as simple as directly connecting wires to the source you want to measure and seeing the LED blink!!!!

The red wire is to connect to the positive pole, the black wire is to connect to negative pole and the yellow/white wire is to connect to the positive pole of that source or another source across which we meant to measure the voltage. While measuring the supply voltage of another source make sure that the negative pole is joined common. No need to worry even if there is any connection mismatch of the wires, the electric circuit won’t be a boom because it features reverse polarity protection.

To reach the best measurement accuracy, this voltmeter will automatically move the decimal point’s position according to the different measuring voltage. When it measures the voltage below 10V, it will display two places after the decimal point. When it measures the voltage above 10V, it will display one place after the decimal point.

This voltmeter can be used to measure the storage battery’s voltage upto 100Volts in motorcycles and cars and also can grasp the storage battery’s status. It also can be used to measure other DC voltage. This voltmeter can operate on versatile 4.5V to 30VDC range is the voltmeter’s maximum operating limited voltage, please leave enough margin (i.e. do not reach up to last limit which is 30V ) when working, to avoid voltmeter’s permanent damage because of an electrical spark, power supply ripple, or other too high abrupt change of voltage.

Very bight and decent LED Display is ready to measure the dc voltages in the range of 0V to 100V.

Note:

1. Consider 1V voltage drop at voltmeter itself, as we observed it at robulabs while testing this Voltmeter.
2. Product Image may vary in terms of colour 3rd Wire and PCB or PCB-layout as per the version update from the manufacturer.

Connections :

1. Red Wire: Positive of the Power supply
2. Black Wire: Negative of the Power supply and also used as the negative of the measurement voltage source
3. Yellow/White/Blue: Positive of the measurement voltage source.

Additional Information:

• Production Capacity: 5000
• Delivery Time: 1
• Packaging Details: BUBBLE CONTAINER

Product Details:

This is a DC Automatic On/Off Photocell Street Lamp Light Switch Controller. AC 220V 50-60Hz 10A Photo Control Photoswitch Sensor to turn on or off the light day and night without manual operation. Also can fit into solar lamps and lanterns, or cars, motorcycles, electric cars, and other power supply voltage is 12V lamps and lanterns or equipment.

 

Features:

1. Do not install the control unit in a place extremely darker in daytime or a place directly by the lighting of turning – ON lamp.
2. Widely used: street light, highway, factories, garden, ports, airports, farms, parks, schools, and other places.
3. Easy to install and convenient to use.
4. Brand new and high quality.

Additional Information:

• Production Capacity: 5000
• Delivery Time: 1
• Packaging Details: Bubble container

Product Details:

SPDT(Single Pole Double Throw) relay is used as a switch for high current AC/DC appliances which need to be controlled from a microcontroller or sensor output. 24V PCB Mount Sugar Cube SPDT Relay instead of its small size can switch a load of 7A connected to it. The coil resistance of this relay is 1.6k ohm whereas the coil current is 15 mA. The trigger voltage for this relay is 24V.

There are 5 pins in this relay i.e, Coil end 1, Coil end 2, COM(common), NC and NO. Coil end 1 and Coil end 2 are used to trigger ON/OFF the relay. One end is connected to a 24V supply and the other is connected to the ground of the circuit. Common is connected to the one end of the load to be controlled. The other end of the load is connected to either NC or NO. If the load is connected to NC(Normally Closed) then the load remains ON before trigger. And if it is connected to NO(Normally Open) then the load remains OFF before trigger. These relays are usually used in home automation, switching circuits, security circuits, etc.

Additional Information:

• Production Capacity: 72772
• Delivery Time: 1
• Packaging Details: BUBBLE CONTAINER

Product Details:

This YF-S201 1/2 inch Water flow sensor consists of a black plastic valve body, a water rotor and a hall effect sensor. 1-30 Litre/min Water can flow through this sensor. This YF-S201 is placed in line with water and its pinwheel sensor detects how much liquid has flowed through it. With every pinwheel revolution magnetic hall effect sensor generate an electrical pulse which is fed to the controller and thus controller is able to detect how much liquid is flowing through the sensor at any point of time. The hall effect sensor is sealed from the liquid pipe and thus remains protected from the water. 

The Electrical pulse generated by the sensor is approximately equal to 2.25 milliliters. So by counting the number of pulse we can easily calculate the amount of water flowing through the sensor. 

This YF-S201 1/2 inch Water flow sensor consists of a black plastic valve body, a water rotor and a hall effect sensor. 1-30 Litre/min Water can flow through this sensor. This YF-S201 is placed in line with water and its pinwheel sensor detects how much liquid has flowed through it. With every pinwheel revolution magnetic hall effect sensor generate an electrical pulse which is fed to the controller and thus controller is able to detect how much liquid is flowing through the sensor at any point of time. The hall effect sensor is sealed from the liquid pipe and thus remains protected from the water. 

The Electrical pulse generated by the sensor is approximately equal to 2.25 milliliters. So by counting the number of pulse we can easily calculate the amount of water flowing through the sensor. 

 

The YF-S201 comes with three wires: Red/VCC (5V-18V) DC Input, Black/GND and Yellow which is for the Pulse Output. Connect the Red wire with the VCC of your controller, Black with Ground and Yellow wire with any digital pin which can also handle the interrupts. As soon as the liquid start flowing through the sensor, it generates digital pulse proportionally. With the help of counters and interrupts you can measure the liquid flow rate. 

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Additional Information:

• Production Capacity: 784774
• Delivery Time: 2
• Packaging Details: BUBBLE CONTAINER

Product Details:

• DS3231 based RTC with 2032 Battery Holder.
• Highly Accurate RTC
• Real-Time Clock Counts
• Digital Temp Sensor Output.
• Register for Aging Trim.
• Two Time-of-Day Alarms.
• Programmable Square-Wave Output Signal.
• Configurable I2C device Address for AT24C32 using SMD jumpers on PCB (A0, A1, A2).
• 1Hz output pin SQW.
• 32KHz output pin 32K.
• Time Format: HH: MM: SS (12/24 hr).
• Date Format: YY-MM-DD.

Additional Information:

• Delivery Time: 2
• Packaging Details: BUBBLE CONTAINER

Product Details:

 100% brand new and high quality Operating voltage: 2.5V-5.5V Maximum output: 3Wx2 (5V 4 ohms) Efficiency can reach above 90%, you can use the computer USB port 5V power supply The board compact with a switch potentiometer, you can adjust the volume and control of arbitrary power switch. Working voltage should not exceed 5.5V, the power of positive and negative can not be wrong. Otherwise, there is the possibility of damage chip Board size: 2.9cmx2cm/1.14x0.78inch(Dimensions without potentiometer handle protruding parts)

Additional Information:

• Production Capacity: 73773
• Delivery Time: 2
• Packaging Details: BUBBLE CONTAINER

Product Details:

Single Cell 18650 Lithium-Ion Battery Support Bracket made of flame retardant ABS+PC materials, with high-temperature resistance and crack resistance. There are slots on the edge of the holder that can be combined to create a battery pack of many different sizes and shapes; after welding nickel tabs, the pack can pass vibration testing without using any other connecting device that makes your battery pack Solid and Reliable.

18650 (18mm diameter and 65mm Length) is one of the most common cell sizes found worldwide.  So it can be easily replaced in any battery-powered application. We need many cells to build a battery pack to power the high power devices like your laptop, small RC cars, or even any small Digital circuit with many sensors and actuators.

These Single Cell brackets will allow you to quickly build your battery pack without the assistance of any professional. Simply stack them with their hooks in any number you want, and you have a 18650 battery holder. The connections can then be made with metal tapes/strips. Because each bracket can hold a single cell, you'll need two brackets for every single cell, one for the top and one for the bottom.

Additional Information:

• Production Capacity: 626266
• Delivery Time: 2
• Packaging Details: BUBBLE CONTAINER

Product Details:

This DC 12V Solenoid Electromagnetic Cabinet Door Lock can be used for locking sell-machine, storage shelf, file cabinet and etc. The lock works as the circuit disconnects, and it will unlock as the instant power-on. It is steady, durable, and energy-saving and had a long lifespan. In the anti-theft and shockproof design, the lock is better than other kinds of locks. After connecting the wires and when the current is available, the electric lock can control the door’s opening and closing.

This DC 12V Solenoid Electromagnetic Cabinet Door Lock can be used for locking sell-machine, storage shelf, file cabinet and etc. The lock works as the circuit disconnects, and it will unlock as the instant power-on. It is steady, durable, and energy-saving and had a long lifespan. In the anti-theft and shockproof design, the lock is better than other kinds of locks. After connecting the wires and when the current is available, the electric lock can control the door’s opening and closing.

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• Production Capacity: 123431
• Delivery Time: 2
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Product Details:

Power input and output connection for all types of electrical equipment. Interlocked fuse drawer accepts 20mmx5mm fuse. 

Additional Information:

• Production Capacity: 7266
• Delivery Time: 2
• Packaging Details: BUBBLE CONTAINER

Product Details:

his is a DIY power bank module with dual USB. The module is perfect for DIY mobile power boost power banks with 18650 cells. 

The module comes with protection charging, overcharge protection, over-discharge protection, and overcurrent protection. It has an intelligent output device, that after charging full, automatically stops charging, that prevents the phone to overcharge as well as provides stable voltage and current that makes sure that users devices will not harm. 

Additional Information:

• Production Capacity: 62662
• Delivery Time: 2
• Packaging Details: bubble container

Product Details:

All 3.7V-4.2V rechargeable lithium batteries, such as cell phone batteries, flat batteries, 18650 batteries, and so on. It could be connected to a lithium battery can also be connected in multiple sections of lithium batteries Lithium positive pole connected B + Lithium negative then B- 3 USB output, according to the device automatically recognizes the output 5V1A or 2A current on the phone. Flat charge, you can also charge three mobile phones at the same time.

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• Production Capacity: 5543
• Delivery Time: 2
• Packaging Details: BUBBLE CONTAINER

Product Details:

The 4 Series 40A 18650 Lithium Battery Protection Board 14.8V 16.8V with Balance for Drill Motor Lipo Cell Module comes with recovery function AUTO Recovery and Integrated 10 low load resistance MOS tube.

It provides a continuous discharge of 40A, 100mA balanced current, for electric drill/sprayer/LED lights/low power inverter.(If the cooling environment is not good, please reduce the load current use).

The Scope of Nominal voltage of 3.6V, 3.7V lithium battery (including 18650, 26650, a polymer lithium battery) where Charging voltage can be range between 16.8V to 18.1V The board operates smoothly with Continuous charge current of (upper limit): 20A. The balanced version is suitable for starting current below 80A, power 135W below the drill (with balance).

The Board which can be easily installed in a compact size or on battery bundle itself.

Additional Information:

• Production Capacity: 63265
• Delivery Time: 2
• Packaging Details: BUBBLE CONTAINER

Product Details:

SPDT(Single Pole Double Throw) relay is used as a switch for high current AC/DC appliances which need to be controlled from a microcontroller or sensor output. 12V PCB Mount Sugar Cube SPDT Relay instead of its small size can switch a load of 7A connected to it. The coil resistance of this relay is 270 ohm whereas the coil current is 44.4 mA. The trigger voltage for this relay is 12V.

There are 5 pins in this relay i.e, Coil end 1, Coil end 2, COM(common), NC and NO. Coil end 1 and Coil end 2 are used to trigger ON/OFF the relay. One end is connected to a 12V supply and the other is connected to the ground of the circuit. Common is connected to the one end of the load to be controlled. The other end of the load is connected to either NC or NO. If the load is connected to NC(Normally Closed) then the load remains ON before trigger. And if it is connected to NO(Normally Open) then the load remains OFF before trigger. These relays are usually used in home automation, switching circuits, security circuits, etc.SPDT(Single Pole Double Throw) relay is used as a switch for high current AC/DC appliances which need to be controlled from a microcontroller or sensor output. 12V PCB Mount Sugar Cube SPDT Relay instead of its small size can switch a load of 7A connected to it. The coil resistance of this relay is 270 ohm whereas the coil current is 44.4 mA. The trigger voltage for this relay is 12V.

There are 5 pins in this relay i.e, Coil end 1, Coil end 2, COM(common), NC and NO. Coil end 1 and Coil end 2 are used to trigger ON/OFF the relay. One end is connected to a 12V supply and the other is connected to the ground of the circuit. Common is connected to the one end of the load to be controlled. The other end of the load is connected to either NC or NO. If the load is connected to NC(Normally Closed) then the load remains ON before trigger. And if it is connected to NO(Normally Open) then the load remains OFF before trigger. These relays are usually used in home automation, switching circuits, security circuits, etc.

SPDT(Single Pole Double Throw) relay is used as a switch for high current AC/DC appliances which need to be controlled from a microcontroller or sensor output. 12V PCB Mount Sugar Cube SPDT Relay instead of its small size can switch a load of 7A connected to it. The coil resistance of this relay is 270 ohm whereas the coil current is 44.4 mA. The trigger voltage for this relay is 12V.

There are 5 pins in this relay i.e, Coil end 1, Coil end 2, COM(common), NC and NO. Coil end 1 and Coil end 2 are used to trigger ON/OFF the relay. One end is connected to a 12V supply and the other is connected to the ground of the circuit. Common is connected to the one end of the load to be controlled. The other end of the load is connected to either NC or NO. If the load is connected to NC(Normally Closed) then the load remains ON before trigger. And if it is connected to NO(Normally Open) then the load remains OFF before trigger. These relays are usually used in home automation, switching circuits, security circuits, etc.

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Leone power relays are small modules designed to switch signal level loads in communications systems, test gear, and industrial equipment. They usually switch only milliamps in the application and typically have relatively low operating and release times compared to other general-purpose relays.

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A float switch is a device used to sense the level of liquid within a tank, it may actuate a pump, an indicator, an alarm, or other device.

A float switch is a device used to sense the level of liquid within a tank. The switch may actuate a pump, an indicator, an alarm, or other device. Use them with hydroponics, saltwater tank, freshwater tank, gardening, aquariums for power head control, pet bowls, fish tanks, filtration, heating, pumps, ponds, basement alarms, boats, air condition drain pans, pressure washers, carpet cleaning mach, reef aquarium, fluid control, ice machines, coffee pots, marine, automotive, automobiles, tropical fish tanks, evaporator coils, condensation line, in relays, or whatever your project may be. It can be easily converted from normally open to normally close by inverting the float.

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It is specifically designed for the HC-SR04 Ultrasonic Sensor Module, with this Ultrasonic Sensor Mounting Bracket you can attach the Hc-SR04 module to your application such as small robots or DIY projects very quickly and conveniently.

The Colour of the ultrasonic mounting bracket may change and depends on the availability. 

Product Details:

• Product Name:3.3V to 5V Active Buzzer Alarm Module Sensor
• Transistor drive module uses 8550
• With fixed bolt hole- easy installation- 2.6mm aperture.
• Operating voltage 3.3V-5V
• PCB Dimensions: 34.28 mm (L) * 13.29 mm (W) * 11.5 mm (H)

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• 1-wire digital temperature sensor 
• Fairly precise (±0.5°C over much of the range) and can give up to 12 bits of precision from the onboard DAC.

• Supply Voltage	3.0 – 5.5V
  Temperature range	-55°C ~ +125°C
  Probe diameter	6 mm
  Probe length	50 mm
  Resolution	9 ~ 12 bit
  Query time	750 msec

   

Specifications: 

 

Description: 

•  1-wire digital temperature sensor 
• Fairly precise (±0.5°C over much of the range) and can give up to 12 bits of precision from the onboard DAC.

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This is a Breadboard Power Supply Module 3.3V/5V with a multi-purpose female USB connection and two independent power lines that may be tuned to a 5V or 3.3V output voltage or turned off completely. The ON/OFF switch on the module is used to turn it on and off.
The Breadboard Power Supply Module 3.3V/5V securely fits in a typical 400 or 800 tie points breadboard, and it also has reverse polarity protection. It accepts 6.5V to 12V input and outputs 3.3V and +5V.

Features

• Designed to fit the standard MB102 breadboard
• Power Supply comes with On/Off Switch
• Green LED power indication
• Built-in protection against short-circuit through power limiting circuitry
• compatible with 5V, 3.3V
• Input Voltage: 6.5-12V (DC) or USB power
• Output voltage: 3.3V, 5V
• switchable Maximum Output Current: <700ma
• The two-way independent control
• The output voltage can be switched to 0V, 3.3V, 5V
• On-board Two sets of 3.3V, 5V DC output pins, which lets you connect directly to external circuits and to multiple breadboards.

This is a Breadboard Power Supply Module 3.3V/5V with a multi-purpose female USB connection and two independent power lines that may be tuned to a 5V or 3.3V output voltage or turned off completely. The ON/OFF switch on the module is used to turn it on and off.
The Breadboard Power Supply Module 3.3V/5V securely fits in a typical 400 or 800 tie points breadboard, and it also has reverse polarity protection. It accepts 6.5V to 12V input and outputs 3.3V and +5V.

Features

• Designed to fit the standard MB102 breadboard
• Power Supply comes with On/Off Switch
• Green LED power indication
• Built-in protection against short-circuit through power limiting circuitry
• compatible with 5V, 3.3V
• Input Voltage: 6.5-12V (DC) or USB power
• Output voltage: 3.3V, 5V
• switchable Maximum Output Current: <700ma
• The two-way independent control
• The output voltage can be switched to 0V, 3.3V, 5V
• On-board Two sets of 3.3V, 5V DC output pins, which lets you connect directly to external circuits and to multiple breadboards.

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The TB6600 Stepper Motor Driver is a user-friendly professional stepper motor driver that can control a two-phase stepping motor. It works with any microcontroller that can generate a 5V digital pulse signal. 

TB6600  stepper motor driver has a wide range of power input, 9~42VDC power supply. And it can output a 4A peak current, which is enough for most stepper motors. The stepper driver supports speed and direction control.

The ability to control the speed and position of the stepper motor is one of the benefits of using the TB6600 Stepper Motor Driver. These drivers are suitable for a limited number of stepper motors. Using these types of drivers, one can reduce the amount of code and connections.

TB6600  Stepper Motor Driver Controller 4A 9~42V TTL 16 Micro-Step CNC 1 Axis Upgraded Version of the 42/57/86 Stepper Motor segment increased to 32 segments, suitable for high subdivision applications.

The TB6600 Stepper Motor Driver is a user-friendly professional stepper motor driver that can control a two-phase stepping motor. It works with any microcontroller that can generate a 5V digital pulse signal. 

TB6600  stepper motor driver has a wide range of power input, 9~42VDC power supply. And it can output a 4A peak current, which is enough for most stepper motors. The stepper driver supports speed and direction control.

The ability to control the speed and position of the stepper motor is one of the benefits of using the TB6600 Stepper Motor Driver. These drivers are suitable for a limited number of stepper motors. Using these types of drivers, one can reduce the amount of code and connections.

TB6600  Stepper Motor Driver Controller 4A 9~42V TTL 16 Micro-Step CNC 1 Axis Upgraded Version of the 42/57/86 Stepper Motor segment increased to 32 segments, suitable for high subdivision applications.

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1 Channel 5V Relay module is used as a switching device and as it is a single channel this module can control only a single circuit. Relay modules with multiple channels can control multiple circuits.

This module consists of 6 input-output pins i.e., Vcc, GND, IN, Common (COM), Normally Closed (NC) and Normally Open (NO). Vcc and GND are the two ends of the coil inside the relay. These pins are used to trigger ON/OFF the relay. Vcc is connected to 5V DC and GND is connected to the ground. At Input pin, we give a signal from a microcontroller to allow/disallow current to flow through the coil. Common is connected to one end of the device to be controlled. The other end of the load is either connected to the NC or NO. If the load is connected to NC then the device remains connected before trigger and if it is connected to NO then the device remains disconnected before trigger. The trigger voltage of this module is 5 V.

Devices operating on 10A, 250V AC and 10A 30V DC can be used as load devices for this module. When the trigger voltage is supplied the coil is turned ON and then the contact between common to NC is changed to common to NO. and when trigger voltage is not supplied to the relay the contact comes back to common to NC from common to NO.

1 Channel 5V Relay module is used as a switching device and as it is a single channel this module can control only a single circuit. Relay modules with multiple channels can control multiple circuits.

This module consists of 6 input-output pins i.e., Vcc, GND, IN, Common (COM), Normally Closed (NC) and Normally Open (NO). Vcc and GND are the two ends of the coil inside the relay. These pins are used to trigger ON/OFF the relay. Vcc is connected to 5V DC and GND is connected to the ground. At Input pin, we give a signal from a microcontroller to allow/disallow current to flow through the coil. Common is connected to one end of the device to be controlled. The other end of the load is either connected to the NC or NO. If the load is connected to NC then the device remains connected before trigger and if it is connected to NO then the device remains disconnected before trigger. The trigger voltage of this module is 5 V.

Devices operating on 10A, 250V AC and 10A 30V DC can be used as load devices for this module. When the trigger voltage is supplied the coil is turned ON and then the contact between common to NC is changed to common to NO. and when trigger voltage is not supplied to the relay the contact comes back to common to NC from common to NO.

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This 2 Channel 12V Relay Module with Optocoupler meets the safety standard as the control and load areas have isolation grooves. Optical coupling isolation module.

The triggering of this 2 Channel Relay Module is reliable, more stable. The double FR 4 circuit board design, high-end SMT process. It has power and relay operation instructions. Relays terminals (C, NC, NO) are accessible through screw terminals, making wiring up the board very easy.

This 2 Channel 12V Relay Module with Optocoupler meets the safety standard as the control and load areas have isolation grooves. Optical coupling isolation module.

The triggering of this 2 Channel Relay Module is reliable, more stable. The double FR 4 circuit board design, high-end SMT process. It has power and relay operation instructions. Relays terminals (C, NC, NO) are accessible through screw terminals, making wiring up the board very easy.

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• Effective VCC, GND power input, can relay a separate power supply relay power input of JD-VCC
• Input IN1, IN2, IN3, IN4 signal line active low
• 5V 4-Channel relay board controlled directly by micro-controller (Arduino, 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic) need 50-60mA driver current

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This is an 8 Channel 5V 10A Relay Module with optocoupler. The output rating for each relay is 230 volts 10 Ampere or 10 ampere at 30 volt DC. Since each relay is provided with independent common terminal along with Normally Open (NO) and Normally Closed (NC) pins it is very easy to use. Each trigger pin is isolated from the relay using a opto-coupler thus making sure your circuit is saved.. 8 LED indicators are provided to display the individual Relay Status. The relays can be controlled directly by a wide range of microcontrollers such as Arduino , 8051, AVR, PIC, PLC,DSP, ARM, ARM, MSP430, TTL logic circuits, etc.

This is an 8 Channel 5V 10A Relay Module with optocoupler. The output rating for each relay is 230 volts 10 Ampere or 10 ampere at 30 volt DC. Since each relay is provided with independent common terminal along with Normally Open (NO) and Normally Closed (NC) pins it is very easy to use. Each trigger pin is isolated from the relay using a opto-coupler thus making sure your circuit is saved.. 8 LED indicators are provided to display the individual Relay Status. The relays can be controlled directly by a wide range of microcontrollers such as Arduino , 8051, AVR, PIC, PLC,DSP, ARM, ARM, MSP430, TTL logic circuits, etc.

 

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SPDT(Single Pole Double Throw) relay is used as a switch for high current AC/DC appliances which need to be controlled from a microcontroller or sensor output. 5V PCB Mount Sugar Cube SPDT Relay instead of its small size can switch a load of 7A connected to it. The coil resistance of this relay is 70 ohm whereas the coil current is 70mA. The trigger voltage for this relay is 5V.

There are 5 pins in this relay i.e, Coil end 1, Coil end 2, COM(common), NC and NO. Coil end 1 and Coil end 2 are used to trigger ON/OFF the relay. One end is connected to a 5V supply and the other is connected to the ground of the circuit. Common is connected to the one end of the load to be controlled. The other end of the load is connected to either NC or NO. If the load is connected to NC(Normally Closed) then the load remains ON before trigger. And if it is connected to NO(Normally Open) then the load remains OFF before trigger. These relays are usually used in home automation, switching circuits, security circuits, etc.

SPDT(Single Pole Double Throw) relay is used as a switch for high current AC/DC appliances which need to be controlled from a microcontroller or sensor output. 5V PCB Mount Sugar Cube SPDT Relay instead of its small size can switch a load of 7A connected to it. The coil resistance of this relay is 70 ohm whereas the coil current is 70mA. The trigger voltage for this relay is 5V.

There are 5 pins in this relay i.e, Coil end 1, Coil end 2, COM(common), NC and NO. Coil end 1 and Coil end 2 are used to trigger ON/OFF the relay. One end is connected to a 5V supply and the other is connected to the ground of the circuit. Common is connected to the one end of the load to be controlled. The other end of the load is connected to either NC or NO. If the load is connected to NC(Normally Closed) then the load remains ON before trigger. And if it is connected to NO(Normally Open) then the load remains OFF before trigger. These relays are usually used in home automation, switching circuits, security circuits, etc.

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• The USB to RS485 Converter Adapter Module supports WIN7, XP, Vista, Linux and Mac OS provides an easy to use RS485 interface by means of a Virtual Com Port on the user’s system.
• This converter is fully compliant USB 2.0 standard and backward compatible with USB1.1. 
• It supports baud rate from 75bps – 115200bps. 
• The communication distance of the module is 1.2km. 
• There are no command structures, whatever is sent to the Virtual Comm Port is automatically converted to RS485 and vice versa. The module is completely self-powered from the USB bus.
• This converter provides half-duplex RS-485 communication. No need of external power supply for this communication. 

Applications: 

• All kinds with RS485 port device parameter settings, data communication
• Monitoring data read and write, and PTZ control
• Access Control System card
• Centralized control of household electrical appliances
• Machine PLC data reading and writing

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• Production Capacity: 98388
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This magnetic door lock sensor is easy to use. A magnet and a magnetic sensor are included (the one with two wires). The sensor contains a simple reed switch that is triggered when a magnet is present. Install the magnet on the door/window and the magnet sensor on the door/window frame to use the sensor as a door/window lock sensor.

This sensor is ideal for door lock sensors, drawer lock sensors, Window Lock Sensors, encoders, and other general magnet sensing applications. It has mounting tabs and holes on the back for mounting to a flat surface. The sensor also includes double-sided tape for adhering it to a flat surface.

This sensor comes with 4 screws. 

Features :

1. Easy to install
2. Strong concealment
3. Magnetic sensor alarm, control the switch of the circuit via the built-in magnet
4. Alarm when someone intrudes into your places
5. Can be used in places like apartment, hotel, office, etc.
6. Designed to do embedded in the door or window frame.

This magnetic door lock sensor is easy to use. A magnet and a magnetic sensor are included (the one with two wires). The sensor contains a simple reed switch that is triggered when a magnet is present. Install the magnet on the door/window and the magnet sensor on the door/window frame to use the sensor as a door/window lock sensor.

This sensor is ideal for door lock sensors, drawer lock sensors, Window Lock Sensors, encoders, and other general magnet sensing applications. It has mounting tabs and holes on the back for mounting to a flat surface. The sensor also includes double-sided tape for adhering it to a flat surface.

This sensor comes with 4 screws. 

Features :

1. Easy to install
2. Strong concealment
3. Magnetic sensor alarm, control the switch of the circuit via the built-in magnet
4. Alarm when someone intrudes into your places
5. Can be used in places like apartment, hotel, office, etc.
6. Designed to do embedded in the door or window frame.

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This MPR121 is a capacitive touch sensor controller driven by an I2C interface. The chip can control up to twelve individual electrodes, as well as a simulated thirteenth electrode The MPR121 also features eight LED driving pins, when these pins are not configured as electrodes, they may be used to drive LEDs. There are four jumpers on the bottom of the board, all of which are set (closed) by default. An address jumper ties the ADD pin to the ground, meaning the default I2C address of the chip will be 0x5A. If you need to change the address of the chip (by shorting ADD to a different pin), make sure you open the jumper first. Jumpers also connect SDA, SCL, and the interrupt pin to 10k pull-up resistors. If you do not require the pull-up resistors you can open the jumpers by cutting the trace connecting them. 

This MPR121 is a capacitive touch sensor controller driven by an I2C interface. The chip can control up to twelve individual electrodes, as well as a simulated thirteenth electrode The MPR121 also features eight LED driving pins, when these pins are not configured as electrodes, they may be used to drive LEDs. There are four jumpers on the bottom of the board, all of which are set (closed) by default. An address jumper ties the ADD pin to the ground, meaning the default I2C address of the chip will be 0x5A. If you need to change the address of the chip (by shorting ADD to a different pin), make sure you open the jumper first. Jumpers also connect SDA, SCL, and the interrupt pin to 10k pull-up resistors. If you do not require the pull-up resistors you can open the jumpers by cutting the trace connecting them. 

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• Detects only movements within its detection range.
• Uses a “microwave Doppler radar” technique to detect moving objects. 

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• DS1307 based RTC Module.
• 1Hz output pin.
• Consumes less than 500nA in battery backup mode with oscillator running
• Underwriters Laboratory (UL) recognized
• Real-time clock (RTC) counts seconds, minutes, hours, date of the month, month, day of the week, and year with leap-year compensation valid up to 2100
• 56-byte non-volatile RAM for data storage
• 56 Bytes of Non-volatile memory available to the user.
• The DS1307 is accessed via the I2C protocol.
• The module comes fully assembled and pre-programmed with the current time

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USB TO UART TTL 5V 3.3V FT232RL USB To Serial Adapter for Arduino is a basic module for the FTDI FT232RL USB to serial IC, Revision 2. The pinout of this board matches the FTDI cable to work with Arduino boards. 

This board has the DTR pin which allows an auto reset the Arduino when a new sketch is uploaded in the Arduino. Thus there is no need to hit the reset button while uploading the code in Arduino. This module supports both 3.3V and 5V (both power output and IO level).

The pins labelled BLK and GRN correspond to the coloured wires on the FTDI cable. The black wire on the FTDI cable is GND, green is CTS. Use these BLK and GRN pins to align the FTDI basic board with your Arduino target.

USB TO UART TTL 5V 3.3V FT232RL USB To Serial Adapter for Arduino is a basic module for the FTDI FT232RL USB to serial IC, Revision 2. The pinout of this board matches the FTDI cable to work with Arduino boards. 

This board has the DTR pin which allows an auto reset the Arduino when a new sketch is uploaded in the Arduino. Thus there is no need to hit the reset button while uploading the code in Arduino. This module supports both 3.3V and 5V (both power output and IO level).

The pins labelled BLK and GRN correspond to the coloured wires on the FTDI cable. The black wire on the FTDI cable is GND, green is CTS. Use these BLK and GRN pins to align the FTDI basic board with your Arduino target.

 

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Description: Model: HX-4S-F100A Size: 70*60*8.5mm Upper operation current: 100A Upper Transient current: 120A Overcharge range: 4.25V+0.05V Over voltage range: 2.5V+0.05V The static current: <30uA Charging voltage: 16.8V Equilibrium current: 45mA Short circuit protection: Protected, delayed self-recovery. USES: This BMS board cannot be used for hernia lamps, hand drill battery packs, electric bicycle battery packs, motor battery packs, 1W Fisheye LED Light and electric tools with motors. Suitable for massager battery pack, LED backup power battery pack, 12V electronic product battery pack, solar battery pack, monitoring equipment power battery pack, etc. USAGE NOTES: 1: Please wire strictly according to the wiring diagram, can not short circuit! 2: After the wire is connected, it needs to be charged first then output.
3: When connecting 4 batteries in series, please make sure that the voltage of each battery is the same. If not, please full each battery separately and use it in series. In the discharge test, the battery with the fastest voltage drop was the bad battery. Tips: Do not mix good and bad batteries together! The capacity/internal resistance of the 4 batteries is as close as possible (2 good batteries + 2 bad battery = 4 bad batteries). The lithium battery protection board parameters: Maximum operating current: 100A Maximum instantaneous current: 120A Over charge voltage range: 4.25±0.05V Quiescent current: less than 30uA Internal resistance: less than 20mΩ Charging voltage: 16.8V-18V Charging current: 20A Ma Working temperature: -40 - +50°C Storage conditions: -40 - +80°C Short-circuit protection: Trigger condition: External load shorted. Release condition: disconnect the load. Size: 70*60*8.5mm Wiring instructions: P +: Protection board output positive; P-: Protection board output negative; B +: Battery positive B-: Battery negative;

Product Details:

he PAM8610 is a 15W (per channel) stereo Class-D audio amplifier with DC Volume Control which offers low THD+N (0.1%), low EMI, and good PSRR thus high-quality sound reproduction. The 32 steps DC volume control has a +32dB to -75dB range. The PAM 8610 runs on a 7V to 15V supply at a much higher efficiency than competitors’ ICs.

The PAM8610 amplifier only requires very few external components, significantly saving cost and board space. This 2x15W Two-Channel Stereo Class-D Amplifier is available in a 40 pin QFN 6 x 6 mm package.

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This piezoelectric sensor 27mm measures changes in pressure, acceleration, force, temperature or strain and converts them into electrical voltage.  This is generally used to detect vibration or a knock. This can also be used for a very small audio transducer such as a buzzer. This is great for acoustic guitar pickups, drum triggers and more. 

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• Production Capacity: 72762
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This Normally open vibration sensor module is for a variety of vibration trigger function, reported theft alarm, smart car, electronic building blocks and so on. 

Features: 

• The use of wide voltage LM393 comparator.
• Using the company’s high-sensitivity vibration switch, the default with SW-18015P vibration sensor.
• The comparator output, the signal clean, good waveform, driving ability, more than 15mA
• With a fixed bolt hole, easy to install.

This Normally open vibration sensor module is for a variety of vibration trigger function, reported theft alarm, smart car, electronic building blocks and so on. 

Features: 

• The use of wide voltage LM393 comparator.
• Using the company’s high-sensitivity vibration switch, the default with SW-18015P vibration sensor.
• The comparator output, the signal clean, good waveform, driving ability, more than 15mA
• With a fixed bolt hole, easy to install.

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This board is a Lithium battery protection board or a battery  management system which is used for 3.7V lithium ion batteries. The  board is square shaped and portable which makes it easy to store and  transport. The board offers over charging and over discharging  protection along with short circuit protection as well as over current  protection. We can use this board to charge the lithium ion batteries as  well provided that they are rechargeable. We can combine 4X18650 electric cell along with this BMS system to make a battery pack  having voltage rating of up to 15V DC. Four 18650 batteries can be connected simultaneously to the HX-4S-BM20 module.

Product Details:

This is 3S 12V 25A 18650 Lithium Battery Protection Board 11.1V 12.6V High Current With Balanced Circuit Over Charge Over-Discharge Over Current And Short Circuit Protection Function. Board charging and discharging are the same port, the board includes the balanced circuit.

When the charge balance, the board will be a bit warm, even after disconnecting the charger, some are still in the balance, will continue to warm for a while until below the equilibrium break threshold.

The protection board cannot be used for iron lithium polymer battery (for other batteries, no matter what material, as long as the overvoltage and put voltage can be used for cutting), electric finish machinery, electric bicycle batteries, car, and motorcycle starter battery protection.

Applicable to the following products (within rated power):

Electric drill, 775 motors (6A-10A), small power inverter, small power vacuum massager battery, LED lamp, 12V standby power electronic products, 12V120W car washing pump, battery, solar street lamp monitoring standby power supply, and other products.

Rated current can’t over 25A, it can’t exceed 50A per 0.5 seconds