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How would i do this? (electronics, simple?)

i have a 540 size motor and i am running it with a 12v 4 amp power supply. is that too much? could i use 9v batteries? i also need to control it, does anyone know the rating for it? radioshack only. Thanks

guyfrom7up9 years ago
supposedly they run off of 6 volts (i think). You could use 9 volts. It takes almost an amps, can a nine volt supply that much? I've run 1.5-3volt motors off of 9 volts before, if you don't do it continuesly it'll work. Might shorten the life of the motor though it goes much faster and harder. to control it use a 555 timer and a power mosfet.