In SX Microcontrollers, SX/B Compiler and SX-Key Tool, dcmccall wrote:

I am currently attempting to build speed controls for the drive motors on my competition robot for school. The motors themselves are running off of 9.6v at about 2 amps. My first idea was to use a few variable voltage regulators and digital potentiometers (to control the regulators). I have been looking at digital potentiometers and have yet to understand how one with "SPI" works and how to use it. I'd appreciate any kind of help with that, and also if there are any better ways to design a custom speed control. Thanks!
Daniel

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