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Open Source

Submission + - Opensource Traffic Light Cufflinks (

bmsleight writes: "Just finished my latest project. I have always liked cufflinks, apart from my wedding ring it is the only form of jewellery that I wear. Inside each cufflink, I have a ATTINY45, a Real Time Clock chip, a couple of resistors and three LEDs. Each cufflink can display a normal UK Traffic light Sequence, a normal UK Pelican Crossing Sequence, the current time, date and even the temperature. All the hardware and software is open source."

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