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

system November 3, 2010, 10:34am 8

Oops. My bad. It turns out that I was looking at the voltage regulator.

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