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Magnet sensor response
edited December 2012
Twine setup without incident using the magnetic sensor, but the sensor is always open (does not recognize the presence of the magnet)? How does one troubleshoot the system or should I just return the sensor?
Make sure the cable is inserted into the Twine all the way. This has tripped up a few people. If that doesn't work, take a look at Tom Denver's post in this thread:
You should be able to connect 3.3V and GND and read the sensor input.
For me it was the cable not being 100% inserted into the sensor. It was in there enough to show up as always 'open', but not change state.
This happened w/ both the moisture and magnet sensor. I was worried for a minute!
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