HELP ME! Tachometer!
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HELP ME! Tachometer!
ok,
I need the schematic for a tachometer that uses magnets rather than light, to measure 0-2500 rpm accurately, with a digital readout. can anybody help me here?
Thanks,
-Clam
Edit:
i just dont want it to be affected by sunlight or indoor lighting, so an IR reflection sensor or something would work too, because i can shield it from all light and it will work becuase it profides it's own.
I need the schematic for a tachometer that uses magnets rather than light, to measure 0-2500 rpm accurately, with a digital readout. can anybody help me here?
Thanks,
-Clam
Edit:
i just dont want it to be affected by sunlight or indoor lighting, so an IR reflection sensor or something would work too, because i can shield it from all light and it will work becuase it profides it's own.