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power plug for arduino mega

Posted: 14 May 2017, 19:10
by mickaelh51
Hi all,
I don't know if I have to plug the power (12v) to arduino mega or if power through usb is it the best way ?
maybe for a best signal, I must connected the 12v power no ?
thanks in advance

Re: power plug for arduino mega

Posted: 14 May 2017, 19:14
by Stuntteam
In most cases the USB power is enough.
If you are connecting multiple transceivers and gpio you might want to use a separate power supply.