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I am using the microcontroller to control to control the direction and speed (PID controller) of the actuator. Does anyone know how I can go about stepping up the 5volts from the microcontroller to 12Volts and have about 3amps?
Also, are these motor controller ICs just H-bridges and transistors because they seem quite expensive.
A brief summary of my project: I am building the self-leveling part of my robot. For the inputs, I am detecting the balance with an accelerometer. If the accelerometer senses a tilt then it'll tell the actuator to move up or down.