Hi i've followed this tutorial http://luckylarry.co.uk/arduino-projects/arduino-control-a-dc-motor-with-potentiometer-and-multiple-power-supplies/ and got it working. now here's the question: If i increase the voltage say 12v 5A do i need to change materials used in the circuit?. the 1k resistor?…

TIP120 and Dc motor control

system February 25, 2012, 8:56am 3

What happens if i change the 10 k potentiometer to 50 k pot?

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