 | | Power and Reset
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| Hi All, I Just created a (my first) mobile bot with two motors using differential drive. At random moments, during motor activity, one of the motors (or both) seems to go wild and soon after that the BATT led blinks and then the board is reset. I (...) (23 years ago, 8-Jul-01, to lugnet.robotics.handyboard)
| | | | | Re: Power and Reset
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| I think your trouble come from the H-bridge chip (L293D), it doesn't support more than 600mA of current draw, and reset or crash the board then this value isn't respected. To solve this trouble, I used instead the L298N, it support up to 1A. In (...) (23 years ago, 9-Jul-01, to lugnet.robotics.handyboard)
| | | | | Re: Power and Reset
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| Nichola's suggestion is a simple and raw method to supply enough current for the motors, but it seems difficult to imply if your handyboard has an expansion board attached... The height between the two boards is not enough to fit 2 ICs, and this (...) (23 years ago, 11-Jul-01, to lugnet.robotics.handyboard)
| | | | | Re: Power and Reset
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| Hi All, Thanks for the good advice I got. I applied a separate power sypply to the board, to drive the motors and everything seems to go well now. I am not sure if I need to change the L293D for a more powerfull alternative. The chip driving both (...) (23 years ago, 14-Jul-01, to lugnet.robotics.handyboard)
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