Designed with slotted optical switch sensor and indicator light.
Indicator lights on when output high level and lights off when output low level.
Using wide voltage LM393 comparator. Clean signal, good waveform
Working with official MCU board.
Applied to the corridor, bathroom, basement, warehouse, garage and other places’ automatic lighting, can also be applied to enterprises, hotels, shopping malls’ alarm system.
With this IR transmitter, the Arduino project is able to transmit command to any IR remote Receiver if you have the right decoder.
