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DC-DC 12V 15V 24V 36V 50V to 5V Step Down Power Supply Module Battery Car Buck Converter Charger Module 10V-80V to 5V 1.Description: It is a Step Down Power Supply Module with input DC 10V~80V and output DC 5V.It can provide a stable 5V output. 2.Feature: 1>.Low ripple 2>.High efficiency 3... $4.19
~~$5.99~~ SKU: 15082
$4.19
~~$5.99~~
31

DX-BT04-A Wireless Bluetooth RF Transceiver Module BLE2.0 UART 4dBm DC 3V-3.6V 2.4GHz Common Pin: 1>.Pin-1:UART_TXD.UART data output 2>.Pin-2:UART_RXD.UART data input 3>.Pin-11:RESETB.Reset/restart button 4>.Pin-12:3.3V 5>.Pin-13:GND 6>.Pi... $4.15
~~$5.19~~ SKU: 13920
$4.15
~~$5.19~~

DX-BT18 Wireless Bluetooth RF Transceiver Module BLE4.2 UART 2.4GHz w/ Control Board Common Pin: 1>.UART_TX:UART data output 2>.UART_RX:UART data input 3>.VCC:Input power supply 4>.GND:Input power supply 5>.GPIO26:Disconnect pin (200ms, low power pulse... $3.99
~~$4.99~~ SKU: 13917
$3.99
~~$4.99~~

DIY Kit SMD Infrared Distance Sensor Indicator Electronic Components Suite Description: The infrared reversing radar is composed of a multi-resonant circuit, an infrared signal transmitting and receiving circuit, an infrared signal amplifying and a voltage comparison circuit. It has the characteristi... $2.51
~~$3.59~~ SKU: 13612
$2.51
~~$3.59~~
30

4S 3.7V Polymer Lithium-Ion Battery 14.8V 100A Charging Protector Balanced Function Board Parameters: 1>.Overcharge protection voltage:4.25V+/-0.025V 2>.Overcharge release voltage:4.15V+/-0.05V 3>.Overcharge protection delay:1S+/-200mS 4>.Over-discharge protection voltage:2.7V+/-0.05V 5>.Ove... $7.69
~~$10.99~~ SKU: 13592
$7.69
~~$10.99~~
31

Power Switch Wireless Controller WIFI Relay Module Wifi Smart Switch APP AC 220V for IOT Smart Home Description: Home automation is "The Internet of Things". It simply means the way all devices or appliances are networked together to provide customers with a seamless control over their home equipment. This module is an af... $6.39
~~$7.99~~ SKU: 13331
$6.39
~~$7.99~~

DC to DC USB Step Up Step Down Power Supply Module Adjustable Boost Buck Converter DC 5V to 3.3V/12V Description: USB boost/buck power supply module, powered by USB, adjust potentiometer to get the required voltage. Features: 1>. One button to turn off the output; 2>. Supply ON/OFF display screen; 3>. Support low p... $2.09
~~$2.99~~ SKU: 13318
$2.09
~~$2.99~~
31

10PCS TP4056 1A Li-ion Lithium Battery Charging Module Charging Board Charger with Micro USB Description: 1. Charge Module: Linear charging 2. Current: 1A adjustable 3. Charge Precision: 1.5% 4. Input Voltage: 4.5V-5.5V 5. Full Charge Voltage: 4.2V 6. Led Indicator: Red is charging; Blue is full charged 7. Input In... $2.79
~~$3.99~~ SKU: 12620
$2.79
~~$3.99~~
30

DIY Audio Power Amplifier Board Kit Radio Speaker Loudspeaker DIY Kits Module 3W DC 4.5-5V with Battery Case Parameter: NO. Parameter Value 1 Name Amplifier suite 2 Model AKE-1 3 Operating Voltage ... $5.85
~~$8.35~~ SKU: 12386
$5.85
~~$8.35~~
30

LM3914 Green LED Bar Display Module 10 Segments Battery Power Indicator Battery Capacity Indicating Tester DIY Kits Product Introduction: 1>. Power Consumption: all lamps on 42mA; single lamp on 4mA 2>. Measurement Range: universal 2.4-20V batteries 3>. Color: Green 4>. Display Way: multi-lamp bar display or single lamp dot display... $2.63
~~$3.75~~ SKU: 12003
$2.63
~~$3.75~~
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