Traffic Light LED Display Module mq2 1″ male header pins included

1″ male header pins included but not soldered in

Automotive blind angle detection

This keeps the pin layout intact and allows another shield to be stacked on top

The Ublox gps module has serial TTL output

Traffic Light LED Display Module mq2 1″ male header pins includedIntroduction : Mini traffic light module: high quality LED display module. 3 colours: red, yellow, green. Vertical location. Input voltage power supply: 5V. Input: digital signal output from your Arduino or controller. Interface: Common cathode connection, individually controls both red, green and yellow. It can be controlled by PWM. Input High or Low level from controller to make LEDs ON or OFF. It just support controller to contorl. This module