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GuGaplexing is a new LED display multiplexing technique. Compared to Charlieplexing, GuGaplexing allows you to control twice as many LEDs, with just a few additional components.GuGaplexed Valentine LED ...
The circuit consists of a Tiny13, 40 red LEDs of 3-mm size, a bunch of BC547 (NPN) and BC557 (PNP) transistors, a few resistors and a push button ...
Here is a youtube video of the project in action.
Here is the source code of this project written in C and compiled using winavr gcc. The source code, Makefile and the hex file is attached.
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