Infrared Speed Sensor Module

Using imported groove optical coupling sensor, width 5mm.

It has the output state light, if output high level, the lights are off. if output low level ,it on.

The working voltage of 3.3V to 5V.

Output: digital switch output (0 and 1).

Equipped with a fixed bolt hole, easily install.

Small board PCB size: 3.2 cm x 1.4 cm.

Use the LM393 wide voltage comparer.