When learning the microcontroller, you may usually use three LEDs, namely red, green and yellow light to simulate the traffic light blinking via external connection. So we specially design this module which is very convenient for wiring, and on the module you can see the red, yellow and green LED. This module is fully compatible with Arduino microcontroller and raspberry pi system.
- Working Voltage: 3.3-5v
- Interface Type: digital
- PH2.54 Socket
- Enable interaction with light-related works
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