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seyeco
modified 10 years ago

Stepper driver npn test

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00:54:42
I want to use a microcontroller in place of the 5v input switches. Will this circuit be harmful to it?
published 10 years ago
ichiwa
10 years ago
it's better to add a zener diode 5.1v parallels with the input which prevent if input voltage more than 5.1v (the zener diode will bypass the current)
seyeco
10 years ago
Thanks very much

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