Straight(ener) key

by OH6DC



A hair straightener can turn frizzy hair into a sleek and smooth style in minutes.
Or alternatively, you can turn a hair straightener into a telegraph key.




The device dissassembled.




Wires were connected directly to heating plates.




Mains plug was replaced with a 6.3 mm keying plug, and paint was scraped away on the plate ends.


This is how it works:



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