I want to use an Arduino to send a control signal to a Titan Brakerite electric over hydraulic brake actuator. I have a trailer brake controller that outputs a 0 to 12 Volt signal to the actuator now, and that works fine.
I want to replace that controller with an Arduino. Since the Arduino cannot send a signal that goes from 0 to 12 Volts and draws up to an Amp of current, I need something else to drive the signal. I have tried a potentiometer, and transistor circuit of my own design. Neither worked, since the input impedance of the actuator is quite low.
I was thinking of using an L298N motor driver in the circuit, but will not have a chance to try that out for a few days. Do you think that will work? Any other ideas?