My junior year design project requires 8 steel balls be sorted on a 4x4 grid by permanent magnet and servo. Adjustment of the mechanical end of the gripping mechanism necessitates we make critical adjustments at various positions. Rather than reprogramming the micro-controller which drives the linear axes and gripper mechanism for tuning, it seemed that the more logical approach was to use a second controller with momentary switches to fine tune the single subsystem.How it Works
The buttons utilize pull down resistors for signal stabilization. This will prevent the servo from any errant motions. The code is 4 simple if statements. Nothing fancy, but it allowed us to tune our mechanical components. It also allowed us to easily change and tune our servo grab, hold, and release angles.