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Automation, sensing and robotics • Re: Production counter with photoelectric sensors

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I’m concerned about the output of the sensors frying my Pi.
A usual pattern is to use an optocoupler for this sort of interfacing. Allows to have the power supply of the sensor completely separated from the RPi.
sick_sensor.png
Be careful to connect the sensor in right polarity. Or use a IL250 as a replacement for the 4N25.

Statistics: Posted by ghp — Sun Apr 21, 2024 5:51 am



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