Hacked Chocolate Box has Blinking LEDs controlled by an ATTiny13

Written by: Alan Parekh at 10:37 am. Filed under Cool Gadgets, DIY Hacks, Electronic Hacks

Just in time for Mothers Day. Dress up your box of boring chocolates with some blinking LEDs. This project by Dmitriy Abaimov uses an ATTiny13 programmed using the Arduino IDE to do the interesting blinking. The microcontroller doesn’t have very many pins but with a bit of Charlieplexing this project can control all 10 LED that were desired.

”By counting the possible spots for LED locations in the box, I decided I should use 10 LEDs. In the course of construction it turned out that a couple more could be mounted but 10 LEDs was the starting point for this project. ATTiny13 has only 5 I/Os (if we leave the 6th as RESET so we can more conveniently program it) and so Charlieplexing was used for connecting the LEDs.”

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2 Responses to “Hacked Chocolate Box has Blinking LEDs controlled by an ATTiny13”

An ATTiny13 makes May 13th brighter - Hack a Day Says:
May 3rd, 2012
[...] HackedGadgets] Share [...]
LED Heart Project - Hacked Gadgets – DIY Tech Blog Says:
September 30th, 2012
[...] be driven by a dedicated microcontroller pin, no need to use external serial to parallel chips or charlieplex.There is a bunch of different patterns to keep you entertained. If you want to make your own the [...]