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DC 3.3V 5V 8cm RFID Read Write Module 13.56MHz TTL UART Output M1/S50 IC Card Reader Writer Contactless Controller DC 3.3V 5V 8cm RFID Read Write Module 13.56MHz TTL UART Output M1/S50 IC Card Reader Writer Contactless Controller 1.Description:   It is a 8cm RFID read write module.It can directly output the serial port and send commands to read at the same time, and can read the block data directly by swiping the card, which greatly shortens the card readi... $11.99
$15.99
SKU: GY18286
$11.99
$15.99

26

DC 3.3V 5V 5.5cm RFID Read Module 13.56MHz TTL/Wiegand WG34 Output M1/S50/S70 IC Card Reader Contactless Controller DC 3.3V 5V 5.5cm RFID Read Module 13.56MHz TTL/Wiegand WG34 Output M1/S50/S70 IC Card Reader Contactless Controller 1.Description:   It is a 5.5cm RFID read module.It supports S50,S70 and other series of RFID cards,conforming to the ISO14443A standard protocol.   2.Feature:   1>.It uses the latest technology,ultra-sma... $13.13
$17.50
SKU: GY18285
$13.13
$17.50

25

DC 3.3V 5V 10cm RFID Read Module 13.56MHz TTL/UART M1/S50/S70 IC Card Reader Buzzer Contactless Controller DC 3.3V 5V 10cm RFID Read Module 13.56MHz TTL/UART M1/S50/S70 IC Card Reader Buzzer Contactless Controller 1.Description:   It is a DC 10cm RFID Read Module.It directly outputs serial port and sends commands to read at the same time.   2.Feature:   1>.It supports one-key reading and writing functions.   2>.... $14.69
$19.59
SKU: GY18283
$14.69
$19.59

25

DC 3.3V 5V 7cm RFID Read Module 125KHz TTL/Wiegand WG26 Output ID Card Reader Contactless Controller DC 3.3V 5V 7cm RFID Read Module 125KHz TTL/Wiegand WG26 Output ID Card Reader Contactless Controller 1.Description:   It is a DC3.5V~5V RFID read module.It can serve as serial port and Wiegand output at the same time.It swipes the card once and outputs the card number once.   2.Feature:   1>.Ultra-small size,ea... $9.74
$12.99
SKU: GY18282
$9.74
$12.99

26

AC 110V 220V Power-ON/OFF Trigger Delay Controller Module Display Adjustable Timer Cycle Delay Switch Module AC 110V 220V Power-ON/OFF Trigger Delay Controller Module Display Adjustable Timer Cycle Delay Switch Module 1.Description:   It is a DC 12V power trigger delay controller module. It uses brand new original components,which can be used for industrial control,electronic equipment control,household appliance control, and intelligent applic... $8.99
$11.99
SKU: GY18281
$8.99
$11.99

26

DC-DC 12V to 5V 3A Step Down Power Supply Module DC3.5*1.35mm IP68 Waterproof Adjustable Buck Conveter Voltage Conveter DC-DC 12V to 5V 3A Step Down Power Supply Module DC3.5*1.35mm IP68 Waterproof Adjustable Buck Conveter Voltage Conveter 1.Description:   It is a DC3.5*1.35mm step down power supply module.It adopts high-quality imported high thermal conductivity organic silicone potting technology, and the interior is fully potted and sealed with thermally conducti... $5.95
$8.50
SKU: GY18277
$5.95
$8.50

30

DC-DC 12V 24V to 5V 3A Female/Micro USB Step Down Power Supply Module IP68 Waterproof Adjustable Buck Conveter Voltage Conveter DC-DC 12V 24V to 5V 3A Female/Micro USB Step Down Power Supply Module IP68 Waterproof Adjustable Buck Conveter Voltage Conveter 1.Description: ▲It is a micro USB step down power supply module. ▲It adopts high-quality imported high thermal conductivity organic silicone potting technology. ▲The interior is fully potted and sealed with thermall... $9.09
$12.99
SKU: GY18276
$9.09
$12.99

30

DC-DC 24V to 12V 3A 36W Step Down Power Supply Module IP68 Waterproof Buck Conveter Voltage Conveter DC-DC 24V to 12V 3A 36W Step Down Power Supply Module IP68 Waterproof Buck Conveter Voltage Conveter 1.Description:   It is a step down power supply module. It uses a special process, the product is small, reduces electromagnetic and radio frequency interference, low solder joint defect rate, high reliability, and strong anti-v... $8.11
$11.59
SKU: GY18273
$8.11
$11.59

31

MINI STM32F030K6T6 Development Board TTL GPIO ARM STM32 for JTAG SWD MINI STM32F030K6T6 Development Board TTL GPIO ARM STM32 for JTAG SWD 1.Description:   It is a mini STM32F030K6T6 development board.It is a single chip based on the STM32F030K6T6 chip.The STM32F030K6T6 has 32KB of FLASH and 4KB of RAM.This product has led out all IO (the upper layer is identified ... $10.49
$14.99
SKU: GY18160
$10.49
$14.99

30

DIY Kit RGB LED Flashing Lamp Gradient Color Decorative Lights DIY Kit RGB LED Flashing Lamp Gradient Color Decorative Lights 1.Introduction:     Suspended colorful LED aurora exquisite chandelier triggers brilliant lights, the luminous color has 7 color gradient modes and automatically changes colors to create a colorful environment.   ... $8.63
$11.99
SKU: GY18066
$8.63
$11.99

29

DC 5V Dual 30Bit 2-Channel LED Music Spectrum Level Indicator Music Red Blue Display DC 5V Dual 30Bit 2-Channel LED Music Spectrum Level Indicator Music Red Blue Display 1.Description:   It is a dual 30-bit LED music spectrum level sound.It collects the music voltage signals of the left and right channels and displays them on the LED digital tube at a certain rhythm to achieve the effect of a mu... $16.49
$21.99
SKU: GY18061
$16.49
$21.99

25

Multi-Function Instrument Transistor Tester ESR Resistor Detector Capacitor Meter LCD Display Multi-Function Instrument Transistor Tester ESR Resistor Detector Capacitor Meter LCD Display 1.Description:   It is a graphic M8 transistor tester.It uses an ATmega328 microcontroller.12864 graphic LCD display test results.It can automatically detect PNP and NPN bipolar transistors,N-channel MOSFET,P-channel MOSFET,JFET... $14.99
$19.99
SKU: GY18059
$14.99
$19.99

25

Lithium Battery Charge Protection Board 7A Balanced Charger for 6pcs Batteries Lithium Battery Charge Protection Board 7A Balanced Charger for 6pcs Batteries 1.Description:   It is a lithium battery charge protection board.This protection board uses a professional lithium battery protection IC connection scheme,which has less resistance and less heat generation.   2.Feat... $10.49
$14.99
SKU: GY17553
$10.49
$14.99

30

Lithium Battery Charge Protection Board 15A 3.7V Balanced Charger for 7pcs Batteries Lithium Battery Charge Protection Board 15A 3.7V Balanced Charger for 7pcs Batteries 1.Description:   It is a lithium battery charge protection board.This protection board uses a professional lithium battery protection IC connection scheme,which has less resistance and less heat generation.   2.Feat... $11.19
$15.99
SKU: GY17552
$11.19
$15.99

31

Current Signal Isolator 4mA-20mA to 4mA-20mA Converter Module 0-20mA Current Signal Isolator 4mA-20mA to 4mA-20mA Converter Module 0-20mA 1.Description:   It is a current signal isolator.It can isolate current signals.   2.Feature:   1>.High precision   2>.Passive module   3>.Isolator   3.Parameter: ... $10.19
$16.99
SKU: GY17549
$10.19
$16.99

40

DC 6V Proximity Sensor Human Sensor Module 15cm 150mm Adjustable Toilet Flusher Touchless Tap DC 6V Proximity Sensor Human Sensor Module 15cm 150mm Adjustable Toilet Flusher Touchless Tap 1.Description:   It is a human sensor module.It can sense the body to release water.   2.Feature:   1>.Human induction   2>.Adjustable sensing distance   3>.Multifunction &nbs... $7.94
$10.59
SKU: GY17546
$7.94
$10.59

25

DC3.3V RTL88EUS Wireless WIFI Transceiver Module USB2.0 150Mbps 2.4GHz Transmitter & Receiver DC3.3V RTL88EUS Wireless WIFI Transceiver Module USB2.0 150Mbps 2.4GHz Transmitter & Receiver 1.Description:   It is a wireless WIFI transceiver module.It can be used for MID network camera,GPS,set-top box e-book,hard disk player,PSP and other devices.   2.Feature:   1>.Fast transmission speed ... $7.49
$9.99
SKU: GY17530
$7.49
$9.99

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GFSK Wireless Bluetooth RF Transceiver Module DC 3.3V CC2541 BLE4.0 UART 2.4GHz ISM Low Power Consumption GFSK Wireless Bluetooth RF Transceiver Module DC 3.3V CC2541 BLE4.0 UART 2.4GHz ISM Low Power Consumption 1.Description:   DX-BT05-A is a bluetooth 4.0 serial port module.It can be used for data transmission. 2.Feature:   1>.Support GPIO input and output   2>.Low power consumption   3>.Small and conv... $4.19
$5.59
SKU: GY16944
$4.19
$5.59

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DC 3V-3.6V Wireless Bluetooth RF Transceiver Module DX-BT04-B BLE2.0 UART 4dBm 2.4GHz DC 3V-3.6V Wireless Bluetooth RF Transceiver Module DX-BT04-B BLE2.0 UART 4dBm 2.4GHz DX-BT04-B Wireless Bluetooth RF Transceiver Module 1.Description   DX-BT04-B is a bluetooth 2.0 module.It can be connected to a computer to transfer data. 2.Feature:   1>.Data transfer via UART   2>.Co... $4.19
$5.59
SKU: GY16931
$4.19
$5.59

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ESP8266 WIFI Wirelesss Transceiver Module Support Airkiss Protocol UART TTL Control ESP8266 WIFI Wirelesss Transceiver Module Support Airkiss Protocol UART TTL Control 1.Description:   It is a ESP8266 WIFI Wirelesss Transceiver Module.It base on ESP8266EX controller.It supports data transparent transmission function and Airkiss protocol.   2.Feature:   1>.UART to WIFI ... $4.49
$5.99
SKU: GY16687
$4.49
$5.99

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