Uploaded October 2011 | Updated September 2026, 8 hours ago

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I hacked together a quick little LED blinker to install inside a Halloween pumpkin. I programmed an Atmel ATtiny13 with a simple program written in C, flashed it, and then used it to PWM a 1W Cree LED. More details at brainwagon.org/making-an-attiny13-powered-pumpkin