Just for fun, here is a photo showing an Arduino 2009 in thermal infrared, showing you where the power goes. I am powering it with +10V DC, so the regulator shows a lot of heat, and a little bit from the 1N4007 diode. The AT328P cpu is just a faint smudge. There are two LEDs on, "PWR" and "L" and yo…

Arduino DM seen in thermal infrared

Grumpy_Mike November 3, 2010, 7:45am 4

Great shot well done.
It shows how important it is not to feed the arduino with too much voltage.

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