threewheeler7 wrote:
> ok i have a top priority design that needs to control 4 motors at a time.
> some of you may remember my post about using servos, i had to go with dc
> brushed motors. looking at microchips AN893, i may use 4 PIC16F684 circuits
> and leave what order they do what they do up to a master PIC. this is to
> save development time (which is very critical here), and use it to develop
> the master PIC firmware. Now a am left to decide how to talk to these pics(i
> was thinking rs232 since thats what the sample firmware already dose) and
> come up with a good scheme for ramping up and down the speed of the motors
> in software. so i would like suggestions on this stuff for now if possible. 
>   
Use SPI including chip-select lines. It's more reliable than RS232.
-
Martin
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