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thewizzard
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2018-07-19
2023-06-14
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Hall-effect sensor
2013-05-27
Posted on May 27, 2013 at 21:04 Hello, I'm trying to read rpm from a fan. At first I tried with EXTI and while it worked at fast speed, it started to get crazy when halted or at low speed, especially when the voltage was at undefined...
Re: Hall-effect sensor
2013-05-28
Posted on May 28, 2013 at 12:30Forgot to mention, I'm using the STM32F4 Discovery, and looking into GPIO schemes, there's a schmitt trigger on inputs.
