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Unread 21-01-2005, 22:17
mschulkind mschulkind is offline
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Re: Hall Effect Sensor.

Quote:
Originally Posted by Joe Ross
What type of gear did you use, and how good was your rotation mechanism. Also, how close was it? Remember that it needs to see 8 teeth in a row to calibrate, and if you were just moving the gear in and out or rotating it by hand, it may not have ever been able to calibrate.
You will definitely need a pullup resistor on the output line to the specified voltage range or you will not see anything useful at all on the scope. Hopefully that addition works for you.