LED Traffic Lights Signal Module Digital Signal Output Traffic Light Module for Electronic Building Blocks for Raspberry Pi 3.
Size: 56 * 21 * 11mm
Color: red, yellow, green
LED: 5mm * 3
Brightness: Normal brightness
Voltage: 5V
Input: Digital signal output
Interface: common cathode red yellow-green control
I2C I/O Expansion Module (PCF8574)
USB 2.0 Cable 50cm
DC Input Voltage to Breadboard Kit Input (5-9-12) /Out:(5-9-12)v 





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