PDA

View Full Version : Cheap and easy hall effect sensor arrangement



julian265
21st July 2008, 10:11 AM
There's no CH content in this stick or post, but I think some of you might be able to use this method of angular sensing. I got the idea for this method from a two-magnet setup, seen in a google e-book snippet, and adapted it to only use one.

Here's the sensor output vs angle relationship I measured:
http://www.jpfiles.com/hardware/linearity.png

And here's the write-up:
http://www.jpfiles.com/hardware/uni_stick.pdf

Give me a yell if you want something clarified!