Here is a link of circuit diagram and With Live demo video of DC motor speed controller . This works on pwm, can easyly used for 1A motor. Very Smoothly . Tested on 12v 1A DC Fan
Link is http://www.circuitspedia.com/dc-fan-speed-regulator-circuit/
Here is a link of circuit diagram and With Live demo video of DC motor speed controller . This works on pwm, can easyly used for 1A motor. Very Smoothly . Tested on 12v 1A DC Fan
Link is http://www.circuitspedia.com/dc-fan-speed-regulator-circuit/