Post #2423652
2026-05-08 16:24 UTC
New Badge design for Extreme Kits.
A Retro QR Code badge.
NO IC's or Microprocessors, 'just' 143 transistors and three buttons form the QR code and drive running LEDs around the outside.
Details of the build Via the QR code or at https://extkits.co.uk/retro-qr-code-badge/
(This is what @Extelec has been working on)
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