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SPEEDM

Speed Sensor LM393 Module For Aurduino

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.

If it covered, it will output high level; otherwise it output low level.

Good signal and waveform, with strong driving ability for more than 15mA.

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.

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