This product is a small module for simulating traffic lights used by electronic building block enthusiasts, which is convenient for electronic DIY enthusiasts to use. It leads out corresponding pins and can be connected through dupont cable.
Mini LED Traffic Light Module
PCB size: 55mm(2.2in)*21mm(0.8in)
LED color: red yellow green
LED size: 8mm*3 led
Voltage: DC 5V
Input: digital signal output
Interface: common cathode
Each color could be controlled individually
Each LED lamp can only emit one color of light
Easy to use, compatible with arduino: GND to GND, Red to the I/O interface Pin #2, Yellow to Pin #3, Green to Pin #4
Suitable for the traffic light system model and school scientific research projects
Compatible with Arduino, ESP32, ESP8266, Raspberry Pi, Micro:Bit, 51 single chip microcomputer