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DIY Kit Simple Breathing Lamp Red/Green/Yellow Customize LED Dot Matrix Display Module 1.Introduction: The DIS-49 simple LED dot matrix display consists of 40pcs red and green LED lights to form the characters it wants to display. The display color changes gradually among the three colors of red, ye... $6.99
~~$9.99~~ SKU: GY18195
$6.99
~~$9.99~~
30

DC-DC 80W 5.1A Adjustable Automatic Buck Boost Power Supply Module CCCV Step UP DOWN Voltage Converter Solar Charging 1.Description: XY-SK80 is a DC adjustable constant voltage constant current automatic buck-boost power supply module with LCD display.HD display input voltage and output voltage, current, power, display status, capacity... $15.39
~~$21.99~~ SKU: GY18100
$15.39
~~$21.99~~
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RGB LED Audio Visualizer Music Spectrum Display Audio Indicator DIY Kit SMD Soldering Practice Kits 1.Introduction: ★This DIY kit is a unique circular music spectrum display composed of two kinds of LED. ★The inner circle is designed by 10pcs full-color 5050 RGB LED. It can produce different color v... $13.99
~~$19.99~~ SKU: GY18152
$13.99
~~$19.99~~
30

DIY Kit 3D Xmas Tree RGB Flash LED Circuit Colorful Christmas Trees LED Soldering Practice Kit DC 4.5V~5.5V 1.Introduction: It is a flash Christmas tree kit consists of three circuit board, allows 36 LED flash alternately, showing a Christmas tree in the space of three-dimensional profile... $13.29
~~$18.99~~ SKU: GY18150
$13.29
~~$18.99~~
30

DC-DC 8A 480W Step Down Power Supply Module 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... $49.69
~~$70.99~~ SKU: GY18080
$49.69
~~$70.99~~
30

TPA3116D2 5A Wireless Bluetooth-Compatible Audio Stereo Module, 100W+100W BLE 5.0 AUX Treble/Bass Adjustable Amplifier Board, BT and AUX Inputs for DIY Speakers 1.Description: ZK-1002T is a high-power Treble/Bass adjustable stereo Bluetooth audio module. Dual channels audio signal output. Built-in amplifier module can connect to loudspeaker directly. It supply Bluetooth music receive and AUX... $23.79
~~$33.99~~ SKU: GY18081
$23.79
~~$33.99~~
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DC 12V 2.4G IoT Wireless Transceiver WIFI Intelligent Controller Switch 10A Relay Module APP Control 1.Description: It is a Wifi relay control module.It requires no programming, just download an "eWeLink" APP and link to WIFI to control the built-in cloud.As long as the module is connected to WIFI, the mobile phone ... $13.99 SKU: GY18128
$13.99

DC 12V 2.4G IoT Wireless Transceiver 4Bit WIFI Intelligent Controller Switch 10A Relay Module 4-Channel APP Control 1.Description: It is a 4 way Wifi relay control module.It requires no programming,just download an "eWeLink" APP and link to WIFI to control the built-in cloud.As long as the module is connected to WIFI,the mobile ph... $25.99 SKU: GY18126
$25.99

TTL MODBUS 0.4inch 4-Bit Red Digital Tube LED Display Screen Module TTL Control for Arduino 1.Description: It is a TTL digital tube. This module has a built-in driver, which can be controlled by the user by sending instructions only. 2.Feature: 1>.It comes with a four-digit 0.4-inch scree... $10.59 SKU: GY18124
$10.59

RS485 Modbus-RTU 12V 1Bit Relay Module 1-Channel Switch Controller for Arduino 1.Description: It is a 1 bit ModbusRTU relay module.It supports RS485 communication interface and TTL communication interface. 2.Feature: 1>.Modbus serial communication 2>.Relay switc... $11.59 SKU: GY18123
$11.59

RS485 Modbus-RTU 12V 3Bit Relay Module 3-Channel Switch Controller for Arduino 1.Description: It is a 3 bit ModbusRTU relay module.It supports RS485 communication interface and TTL communication interface,3 input and output. 2.Feature: 1>.Modbus serial communication ... $14.99 SKU: GY18121
$14.99

RS485 Modbus-RTU 12V 4Bit Relay Module 4-Channel Switch Controller for Arduino 1.Description: It is a 4 bit ModbusRTU relay module.It supports RS485 communication interface and TTL communication interface,4 input and output. 2.Feature: 1>.Modbus serial communication ... $15.79 SKU: GY18120
$15.79

DC-DC 35W 4A Adjustable Automatic Buck Boost Power Supply Module CCCV Step UP DOWN Voltage Converter Solar Charging 1.Description: XY-SK35Y is a DC adjustable constant voltage constant current automatic buck-boost power supply module with LCD display.HD display input voltage and output voltage, current, power, display status, capacit... $11.19
~~$15.99~~ SKU: GY18117
$11.19
~~$15.99~~
31

JSN-SR04T Integrated Ultrasonic Distance Measuring Sensor Module Waterproof Transducer Sensor 1.Description: It is a integrated ultrasonic ranging module. This product adopts industrial-grade integrated ultrasonic probe design, waterproof type, stable performance. 2.Feature: 1>.It has stron... $9.09
~~$12.99~~ SKU: GY18074
$9.09
~~$12.99~~
30

DC 5V PCM5122 DAC Sound Card Decoder I2S Voice Playback Module for Raspberry Pi 1.Description: It is a HIFI DAC expansion board.This is a special expansion board designed for Raspberry Pi B+. It used DAC chip (PCM5122), I2S interface, non-USB interface, and can support hardware control volume. Af... $16.79
~~$23.99~~ SKU: GY18071
$16.79
~~$23.99~~
30

IoT Development Board ESP8266 Wireless WIFI Module 0.91in OLED Display 1.Description: It is a ESP8266 WIFI chip. It has an OLED display and a lithium battery interface,which can easily manage the charge and discharge of lithium batteries, and can be directly used for the development of handheld d... $11.19
~~$15.99~~ SKU: GY18068
$11.19
~~$15.99~~
31

TPA3116D2 Wireless Bluetooth-compatible Audio Stereo Module 50W+50W BLE5.0 AUX Treble/Bass Adjustable Digital Amplifier Module 1.Description: ZK-502T is a high-power Treble/Bass adjustable stereo Bluetooth audio module.Dual channels audio signal output.Built-in amplifier module therefore it can connect to loudspeaker directly. It supply Bluetoo... $20.71
~~$29.59~~ SKU: GY18048
$20.71
~~$29.59~~
30

Intelligent Temperature Controller 3-Speed Automatic Control Sensor w/ 5V Fan 1.Description: ZK-TC is a Automatic Fan Temperature Controller.It can measure the current ambient temperature to adjust the rotation speed of the fan, so as to achieve the purpose of adjusting the temperature. ... $9.09
~~$12.99~~ SKU: GY18042
$9.09
~~$12.99~~
30

DIY Kit FM Stereo Radio Module Adjustable 76-108MHz Wireless Receiver DC 3V 1.Introduction: The YFM-2 type radio circuit is very simple. Total number of components does not exceed 19. Including two types of components: SMD and DIP which are suitabl... $4.19
~~$5.99~~ SKU: GY18041
$4.19
~~$5.99~~
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TTL UART to RS232 Bus Converter RS232 to UART Data Analyzer DB9 Male Socket 1.Description: It is a RS232 to TTL to UART serial module.It uses the SP3232EEN industrial grade chip.It mainly uses MCU, ARM and other MCUs to communicate with the computer through the computer's serial port (COM port). ... $5.59
~~$7.99~~ SKU: GY17928
$5.59
~~$7.99~~
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