Magnet sensor response

Alan Page · 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?

Peter Easton · December 2012

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:
http://community.supermechanical.com/index.php?p=/discussion/19/3-5mm-jack-pinout#Item_6

You should be able to connect 3.3V and GND and read the sensor input.

Josh Dzielak · December 2012

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.

Josh Dzielak · December 2012

This happened w/ both the moisture and magnet sensor. I was worried for a minute!

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Magnet sensor response

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