Interfacing optoelectric proximity sensor with arduino

Projects Programming
18

TomGeorge:
Hi,
Can you just connect the sensor up to your 24V supply on its own, no arduino connected, and measure the output volts when the sensor is detecting and not detecting please.
A picture of the sensor would be a help.

Tom.... :slight_smile:

Thanks Tom,
The output voltage was the difference. Using the limiting resistors helped. Thanks again.