Re: Circuit Designs

"James Sherlock" <msherlock@xxxxxxxxxxxxxxxx> wrote in news:NcJMe.19289
$0u2.8689@xxxxxxxxxxxxxxxxxxxxxxxxx:

> The motor will be controlled by a PIC chip embedded in the circuit.

Then what is the signal the PIC needs to see? Is that firmware already
existing, or will it be programmed for this application. If its going to
be custom, you don't need any circuitry at all-- Just two potentiometers
going between Vcc and ground, with the wipers going to analog inputs on the
PIC.

Keep the pots fairly small, like 2kiloohms. The input impedance of the PIC
A/D modules isn't great.


--
Scott
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