I have two 24V DC motors (electric wheelchair motors) that need to operate at the same time, but perform independently from one-another (move at different speeds and/or in different directions, for example). I need to be able to record the exact motions of the two motors for a preferable...

I'm so pleased with this prop-in-progress I had to share. I saw a walker at a garage sale and scooped it up. I decided to try to make a lurching prop and figured the best way was to put wheels on it. I've worked with servos and pneumatics but this was new territory for me. I decided to use...