Traffic Light Module

The traffic light module integrates three different colors of red, yellow and green LED, which has four pins, one of which is a public pin, and the other three pins respectively control three different colors of LED work. The common end GND is connected to the GND port of the controller board. Pins R, Y and G are connected to different I/O ports of the controller board respectively. When each pin R, Y and G inputs high voltage, the corresponding color LED will light up. Application reference: Traffic lights, indicators, etc. Click to explore: Traffic Light Module Product Doc Parameter Specification Parameter Value//Description Operating voltage 3.3V~5V Operating temperature -40 C~+70 C Output signal Digital signal Size 4.8cm*2.4cm