Wholesale KY-010 Light Interruption Sensor Module - Photoelectric Switch DIY Starter Kit

Light interruption module KY-010 
The light interruption module and the digital 13 interface come with an LED. Build a simple circuit and create a light interruption indicator light. 


Utilize the built-in LED of the 13-digit interface. Connect the light interruption sensor to the 3rd digit interface. When the light interruption sensor detects a key signal, the LED will light up; otherwise, it will go off.

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