Kia ora,

The decisions are killing me.  If got a project that needs speed
control of two small DC motors.  Encoders output max of 2200Hz.
each.

 The PIC18F242 would eat the task but I'm wondering about
whether something like a PIC16F876 would do it.  It's got the two
PWM outputs but I'm worried about whether I can keep up with the
two encoders with interrupt routines (presumably a couple of
interrupt on change pins).  Need to work out which port caused the
change and increment a counter.  Just writing this down makes me
think it's easy enough.  Anyone done it?

While I'm at it.  What's your favourite dual H-bridge?



Paul Gaastra      email:pgaastra@hortresearch.co.nz
BioEngineering Technologies, HortResearch
Private Bag 3123            phone +64 7 8584745
Hamilton, NEW ZEALAND         fax +64 7 8584705


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