Description
- 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.
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