Electronic speed controller with arduino project illustrate a physical 3-phase motor driver system. It features high current MOSFETS, dual MOSFET drivers, and an arduino nano. A DIY motor driver board ...

En route to getting the off-the-peg DC-51 motor speed controller to better suit my small milling machine, I had a go at working out what the circuit is. Approx circuit of DC-51 motor speed controller ...

At last, motor controller set up, milling machine re-assembled and working. Phew. All was not quite perfect, but pretty good. The installation (right) Plenty of insulation on the back of the controls ...