Im working on a controller for a road barrier and need some help. Im controlling it with a atmega328 chip, and a ebay radioreciever/transmitter. Need some help with my powersupply. Looking at the picture, is this ok? Sorry for bad drawing.. [kretsskjema bom.jpg]

Need help with powersupply

system August 31, 2012, 12:27pm 3

Im totally new to this. How big aprox will you think?

And how do I set a current limit resistor?

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