I have a small motor, very small. I can recall running it by directly attaching 2 AA batts to it (in series - so 3v). I recently hooked it up to a hbridge with a 6v power supply (motor power), and as soon as I turn it on, the motor revs up, stays at what seems to be max RPM for about a sec, then goe…

Strange motor behavior.

Forum 2005-2010 (read only) General Frequently-Asked Questions

retrolefty July 27, 2009, 11:50pm 2

It would be best if you could measure the current being drawn by the motor during your testing to see what is what. Could be your motor driver H bridge is going into an over current shutdown mode or something.

Lefty

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Strange motor behavior.

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