Adopting a slot type photoelectric sensor, it consists of an infrared light-emitting diode and an NPN photoelectric transistor, with a slot width of 5.9mm.
As long as a non-transparent object passes through the slot, it can trigger to output a low TTL level.
Using Schmidt trigger to jitter pulses is very stable and can be used for small car speed measurement, distance measurement, and other applications!
Install holes with M3 screws at both ends.
Working voltage: 3.3V-5V, output form: digital switch output (0 and 1)
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