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Charlie Badge

A first attempt at ℔adgelife. Charlieplexed LEDs, designed for print-ability with conductive silver ink deposition.

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Six individually controllable discrete LEDs driven by an ATtiny and powered by a coin cell battery.

Charlie Test Protoboard.jpg

Wiring on backside, note some vertical traces intentionally cut

JPEG Image - 578.09 kB - 03/07/2018 at 20:53

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Charlie Test Protoboard Back.jpg

Soldered and functional circuit test

JPEG Image - 979.10 kB - 03/07/2018 at 20:53

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Test Schematic.jpg

Designed schematic and equivalent wiring for proto test

JPEG Image - 772.84 kB - 03/07/2018 at 20:53

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Bus Pirate ISP.jpg

Using the Bus Pirate as ISP with breadboard and ATtiny85

JPEG Image - 475.16 kB - 03/07/2018 at 20:53

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badge20180223.zip

KiCad files for initial board design.

Zip Archive - 89.78 kB - 02/24/2018 at 04:49

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