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DIY Kit Red Green Flash LED Circuit DC 9V Christmas Trees LED Kit Electronic Soldering Learning Kit DIY Kit Red Green Flash LED Circuit DC 9V Christmas Trees LED Kit Electronic Soldering Learning Kit 1.Introduction: It is a flash led Christmas tree kit consists of circuit board, allows 16 LED flash alternately, showing a Christmas tree in the space of two-dimensional profile (the night environment has better viewing). 2.Featur... $3.85
$5.50 SKU: GY18442
$3.85
$5.50
 30

DC 0-10V to 4-20mA Non-Isolated Voltage to Current Converter Module LED Indicator DC7-30V For Circuit Safety Protection Equipment DC 0-10V to 4-20mA Non-Isolated Voltage to Current Converter Module LED Indicator DC7-30V For Circuit Safety Protection Equipment 1.Description:     It is a 0-10V to 4-20mA Voltage to Current Converter. It can convert DC 0-10V voltage signal to 4-20mA current signal.User also can reset input voltage range and output current range by two potentiomet... $5.59
$7.99 SKU: GY18424
$5.59
$7.99
 31

2.4GHz nRF24L01 Wireless Transceiver Module USB Transmitter Receiver 22dBm UART TTL Data Transmission Module w/ Antenna 2.4GHz nRF24L01 Wireless Transceiver Module USB Transmitter Receiver 22dBm UART TTL Data Transmission Module w/ Antenna 1.Description: ▲It is a nRF24L01 wireless transceiver module.The green status indicator on the module is always on. ▲When the serial port is sending and receiving data and the wireless end is sending and receiving data,the LED li... $11.19
$15.99 SKU: GY18380
$11.19
$15.99
 31

2.4GHz nRF24L01 Wireless Transceiver Module Transmitter Receiver UART TTL Data Transmission Module w/SMA Antenna 2.4GHz nRF24L01 Wireless Transceiver Module Transmitter Receiver UART TTL Data Transmission Module w/SMA Antenna 1.Description: ▲It is a nRF24L01 wireless transceiver module. ▲The green status indicator on the module is always on.When the serial port is sending and receiving data and the wireless end is sending and receiving data, the LED l... $9.09
$12.99 SKU: GY18379
$9.09
$12.99
 30

nRF24L01 Wireless Transceiver Module 500m 250kbps 2.4GHz Transmitter Receiver UART TTL Data Transmission Modulewith Antenna nRF24L01 Wireless Transceiver Module 500m 250kbps 2.4GHz Transmitter Receiver UART TTL Data Transmission Modulewith Antenna 1.Description:   It is a nRF24L01 wireless transceiver module.The green status indicator on the module is always on.When the serial port is sending and receiving data and the wireless end is sending and receiving data,the LED li... $4.89
$6.99 SKU: GY18378
$4.89
$6.99
 31

2.4G NRF24LE1+PA+LNA Wireless Transceiver Module 18dBm 500meter SPI Transmitter Receiver DC 1.9V-3.6V 2.4G NRF24LE1+PA+LNA Wireless Transceiver Module 18dBm 500meter SPI Transmitter Receiver DC 1.9V-3.6V 1.Description:   It is a 2.4G NRF24LE1+PA+LNA wireless transceiver module. It integrates all high-speed signal processing parts related to the RF protocol,such as automatic retransmission of lost data. It can be used for remote ... $13.15
$18.79 SKU: GY18377
$13.15
$18.79
 30

DC 12V 24V BK3266 Bluetooth-compatible Mono Amplifier Board 20W/30W MIC/AUX Audio Input Support Change Name and Password Call DC 12V 24V BK3266 Bluetooth-compatible Mono Amplifier Board 20W/30W MIC/AUX Audio Input Support Change Name and Password Call 1.Description:   It is a bluetooth 5.0 mono amplifier board.It supports the serial port to change the name and password, the button to turn off/on,the serial port to change the volume and turn off of the prompt tone, the support t... $11.19
$15.99 SKU: GY18343
$11.19
$15.99
 31

DC 0-3.3V to 4-20mA Non-Isolated Voltage to Current Converter Module Linear Output LED Indicator DC 0-3.3V to 4-20mA Non-Isolated Voltage to Current Converter Module Linear Output LED Indicator 1.Description:     It is a 0-3.3V to 4-20mA Voltage to Current Converter. It can convert DC 0-3.3V voltage signal to 4-20mA current signal. User also can reset input voltage range and output current range by two potentiometer... $6.99
$9.99 SKU: GY18326
$6.99
$9.99
 30

0-10V to 0-10V Voltage Converter HCNR201 Isolated Signal Converter 0-10V to 0-10V Voltage Converter HCNR201 Isolated Signal Converter 1.Description:     It is a 0-10V to 0-10V Voltage Converter. It can isolate the input and output voltages and avoid internal and external circuits from interfering with each other and causing abnormalities. 2.Features: ... $7.69
$10.99 SKU: GY18321
$7.69
$10.99
 31

DC 3.3V 1.28inch TFT LCD Display Module Round RGB 240*240 GC9A01 Driver SPI Interface 240x240 Resolution DC 3.3V 1.28inch TFT LCD Display Module Round RGB 240*240 GC9A01 Driver SPI Interface 240x240 Resolution 1.Description:      It is a 1.28inch 240*240 IPS LCD Display Screen. It uses IPS color display screen and the display effect is more vivid than ordinary TFT LCD effect.   2.Features:  ... $9.79
$13.99 SKU: GY18320
$9.79
$13.99
 31

DC 3.3V 1.28inch IPS LCD Display Screen Round RGB 0.7mm 12Pin 240*240 GC9A01 Driver SPI Interface 240x240 Resolution DC 3.3V 1.28inch IPS LCD Display Screen Round RGB 0.7mm 12Pin 240*240 GC9A01 Driver SPI Interface 240x240 Resolution 1.Description:     It is a 1.28inch 240*240 IPS LCD Display Screen.It uses IPS color display screen and the display effect is more vivid than ordinary TFT LCD effect.   2.Features:    ... $8.39
$11.99 SKU: GY18317
$8.39
$11.99
 30

DC 12V Pulse Counter High Level Trigger Relay Module 0-10KHz Frequency Counter for Motor Speed Hall Sensor DC 12V Pulse Counter High Level Trigger Relay Module 0-10KHz Frequency Counter for Motor Speed Hall Sensor 1.Description:     YL3S-C1.1 is a 0-10KHz Frequency Pulse Counter. It can detect the number of input signal pulses and through calculations to control the different working states of the load.      No... $8.39
$11.99 SKU: GY18316
$8.39
$11.99
 30

AC 110V 220V Button Control Switch High Level Signal Trigger Countdown Timer Relay Switch Module LED Display AC 110V 220V Button Control Switch High Level Signal Trigger Countdown Timer Relay Switch Module LED Display 1.Description:     YLC-1.1AC220 is a Timer Relay Switch Module .It will start to countdown and turn ON output after get a input trigger signal by press button. Trigger again is invalid during the countdown period.  ... $9.63
$13.75 SKU: GY18314
$9.63
$13.75
 30

XKC-Y28 DC 5V Non-Contact Flat Liquid Level Sensor 2A Driver IP65 Waterproof Water Level Detector for T1.5mm-20mm Container XKC-Y28 DC 5V Non-Contact Flat Liquid Level Sensor 2A Driver IP65 Waterproof Water Level Detector for T1.5mm-20mm Container 1.Description:     Intelligent non-contact liquid level sensor is used for detecting whether there is liquid in pipeline/container. It will change output status when it is detected that the liquid passes through the measure... $9.09
$12.99 SKU: GY18288
$9.09
$12.99
 30

DC 3.3V 5V 6cm RFID Read Module 13.56MHz UART/RS232/RS485/IIC M1/S50 IC Card Reader Buzzer Contactless Controller DC 3.3V 5V 6cm RFID Read Module 13.56MHz UART/RS232/RS485/IIC M1/S50 IC Card Reader Buzzer Contactless Controller 1.Description:   It is a 13.56MHz RFID read module. It can read IC cards and Y13R conforms to ISO14443A.It can be easily connected to various systems such as computers, PLCs, microcontrollers, Android, Arduino, etc. in a v... $14.69
$20.99 SKU: GY18284
$14.69
$20.99
 30

DC 12V Power-ON/OFF Trigger Delay Controller Module Adjustable Timer Cycle Delay Switch Module DC 12V Power-ON/OFF Trigger Delay Controller Module 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 appl... $5.59
$7.99 SKU: GY18280
$5.59
$7.99
 31

AC 110V 60W Soldering Iron Kit 14-in-1 Adjustable Temperature Soldering Iron AC 110V 60W Soldering Iron Kit 14-in-1 Adjustable Temperature Soldering Iron 1.Introduction: ★This is a 60W Soldering Iron Kit for electronics engineer. ★It can be powered by AC 110V and user can adjust its heating temperature as your needs. ★It also contains 6 different soldering iron tips and suitable f... $22.39
$31.99 SKU: GY18197
$22.39
$31.99
 30

DC-DC 8A 480W Step Down Power Supply Module USB PC Controller Buck Voltage Converter Programmable 2.4in TFT LCD Display DC-DC 8A 480W Step Down Power Supply Module USB PC Controller Buck Voltage Converter Programmable 2.4in TFT LCD Display 1.Description:     WZ-6008 is a multi-function Step Down Power Supply Module.Its main function is to output voltage as a constant voltage constant current source. It can be used to test the discharge time and discharge capa... $55.71
$79.59 SKU: GY18082
$55.71
$79.59
 31

Micro USB 5V Air Ionizer Air Purifier Negative Ion Generator DIY Ionizer Micro USB 5V Air Ionizer Air Purifier Negative Ion Generator DIY Ionizer 1.Description:   It is a DC 5V negative ion generator.The negative ion generator is to process the input DC or AC power through a multi-stage special circuit to obtain a pure DC negative high voltage.   &n... $14.99 SKU: GY18207
$14.99

Micro USB 5V Air Ionizer Air Purifier Plasma Ion Generator DIY Ionizer Micro USB 5V Air Ionizer Air Purifier Plasma Ion Generator DIY Ionizer 1.Description:   It is a Micro USB 5V plasma generator. The plasma generator processes the input DC or AC power through multi-level special circuits and boosts it to obtain positive and negative high voltages.   &nb... $19.99 SKU: GY18206
$19.99


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