> Also, about the PWM, we are going to controll DC Motors, not servo
> controlled ones.  The Quad Half H Drivers were a better solution
> for our design.

PWM is *for* DC motors.

You just use a couple of pins (generally 3 per motor) to interface
to the H-bridges.

If your voice chips use a serial protocol (usually SPI or I2C) most PICs
contain built-in hardware to handle this.

May I suggest reading any number of fine books on robotics.

Good luck!
--
D. Jay Newman          ! Pudge controls the weather.
jay@sprucegrove.com    !
http://enerd.ws/~jay/  ! Oh good. My dog found the chainsaw.

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