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| Welcome to FIRST, the place where you can be competitive in a team. Here people can learn more in one year of FIRST than in four years of high school. - dude__hi [more] |
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#8
23-01-2005, 21:46
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Re: The Hall Effect sensor wiring?
I found out what I was doing wrong when I was testing the Hall Effect gear tooth sensor thanks to these forms. I was not putting enough load on the circuit with just the oscilloscope. The data sheet showed that by placing a 500 ohm resister (RL) between the supply and the output, I was able to get a nice square wave and a steady frequency reading. I had to set up a chain ring in the drill press, because just waving a piece of metal past it gave very poor results.
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