LED Traffic Lights Signal Module / Digital Signal Output Traffic Light Module The LED Traffic Lights Signal Module / Digital Signal Output Traffic Light Module is another great interesting DIY accessory by Robu.in. This is a mini-traffic light display module, high brightness, very suitable for the production of a traffic light system model. Can be connected to the motherboard’s PWM pin to control the brightness of the light. Technical Specifications: Item Type: LED Module Voltage Rating (V): 5 Color: Red, Yellow and Green LED Size (mm): 10×7 PCB Size ( L x W ) mm: 60 x 20 Shipping Weight: 0.02 kg Package Includes: 1 Piece- LED Traffic Lights Signal Module