I am writing some code to get RPM from a shaft using a magnet and reed switch. However I know that the speed will not be over 5000RPM. The reed switch seems fine from 0 to around 2500rpm but then it jumps up to 9000rpm plus and not very steady. It fluctuates from 9000 to 11000 My question is would …

Hall effect sensors

system October 20, 2012, 1:29pm 5

Rob
Will try both later but for now what is the UL in 60000UL ?

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