New to the forum and Arduino. I'm taking a robotics class and am way over my head trying to build, power and control a 12-legged robot using muscle wires. Each wire uses 200mA, and each leg will have two wires, or 400ma for each leg. That makes a total of 4.8 amps. I know that is a ton of current, but I am hoping to have some legs powered, and some unpowered as it moves. I need an Arduino program that will control the power source feeding the wires, and an Arduino program that was created to control legs for muscle wires. I know I'm asking a lot, and that I'm in way over my head here, but any input would be appreciated. Thanks.