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Secret Maze

Secret Maze

“This simple game for the ATtiny85 is a maze that you navigate with four pushbuttons. The available paths in each direction are shown by four LEDs. A lit LED means that your way is blocked by a wall, and a …

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Tiny Time Watch

Tiny Time Watch

“To show the time you press the button on the watch face, and the time is then displayed for four seconds. It lights one LED to show the hour, and flashes another LED to show the minutes to the nearest …

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9-Charlieplexor (9-pins for 72 LEDs)

9-Charlieplexor (9-pins for 72 LEDs)

“This Instructable shows how to wire a 9-Charlieplexor. (Formally this is a “Charlieplexing circuit with 9 nodes” capable of controlling 72 LEDs or less.) A general method could be taken from this layout for larger Charlieplexors. I will likely put …

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