The arduino onboard regulator can handle up to 1A if you plug your walwart into the dc jack.
I believe it is only rated for 800mA. And even then, the barrel needs to be low, like 7.5V, or it will overheat.
The arduino onboard regulator can handle up to 1A if you plug your walwart into the dc jack.
I believe it is only rated for 800mA. And even then, the barrel needs to be low, like 7.5V, or it will overheat.