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…

Integrating Uno into existing system

system October 20, 2012, 3:35am 11

The step-down converter works.

I am measuring the expected voltages.