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Thread: Robotics with PIC16F877 anyone??
www.piclist.com/techref/microchip/devices.htm?key=16F
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face BY : Dan Michaels email (remove spam text)



Roman Black wrote:

{Quote hidden}

Thanks Roman, I'll check these chips out. Probably need
a big heat sink and external clamping diodes, I would imagine.

How much trouble have you seen with motor noise getting back
through this kind of chip to the uC pins? I imagine the problem
is worse at the higher currents. Are you using any specific
filters to deal with this? I was thinking it might be good idea
to put RC filters between PIC and the L293 control pins to be safe.

- danM

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