David Bynoe works in progress

For an upcoming project I needed a pneumatic ram with a closed loop control system so I could position it accurately. Didn't have the budget for an off the shelf solution, so I bodged one together with an ardunio, a couple air solenoid valves, and a pair of potentiometers. How it works is one potentiometer is the target while the other is mounted to the ram. The arduino code compares the two, figures out th ...

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