Badge based on the TiTux design with some bling.
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TiTux badge

TiTux badge


The board is designed in KiCad and uses a dual sided pcb while only using one side for the components. It features an ATtiny84 with 6 LEDs and a switch powered by a 3V button cell. The example above was manufactured by OSH Park.


The challenge is to come up with your own interesting light shows, games, etc. for the badge. This repo includes a basic Arduino sketch using the ATTinyCore to get you started.

Use some crocodile clips and an AVR ISP programmer like a standard Arduino UNO with the ISP sketch and a 10μF capacitor.


The design and example firmware are licenced under GPL-3.0-or-later.