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Power the Arduino alone Answered

Heys guys, Ive been using the arduino(without any shields) just playing around with LED's. I want too control my arduino without it being plugged in the computer via USB. So how would I do that. Should I use a battery pack or a 9V attached to the jack hole?
thanks guys

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tstupple

7 years ago

9v into the powerjack is te easiest, the converter is only a couple of euro/dollars but they come in really handy for you projects in the future.

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vek11tstupple

Reply 7 years ago

Okay. Right now, i'm playing around with LED's, and I have resistors on them. Should I increase the resistance or is there still 5v coming out of the pins?

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waterlubbervek11

Reply 6 years ago

Just remember not to plug into vIN, that is unregulated. Also, you can put in 6-20V (for safety and stability just use 9-12V) with - connected to a GND pin and + connected to VIN. That will also power it.

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waterlubbervek11

Reply 6 years ago

Just remember not to plug into vIN, that is unregulated. Also, you can put in 6-20V (for safety and stability just use 9-12V) with - connected to a GND pin and + connected to VIN. That will also power it.

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tstupplevek11

Reply 7 years ago

It's remains at 5v, so there no need to change