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Experiments with making and reading punch cards with Reed-Solomon coding using OpenCV and a 3d printer.

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Punch cards and optical reading

Bitroller

Things I've Built

Mechanical QRSS keyer

This is one of my projects, a mechanical QRSS Keyer(extremely slow CW), using a of the shelt Signal generator to transmitt CW/QRSS that could be read 1000km away. The transmitted code is stored in nocks on a wheel that rotate with 0.1rpm.

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Follow for the 'Hacklet' and latest news about hackaday.io

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Lutetium

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