I have two 24 Vdc motor systems that I want to control with a UNO. Each of the existing systems consist of:
(1) 24 Vdc .2 hp motor (1) motor controller (2) 12 V lead acid battery (1) potentiometer (0 - 5 V)
I want to replace the two potentiometers with the UNO and eliminate one set of batteries.
I can create the voltages I need via the Analog outputs, but don't know how to power the Arduino.