MAKE: Blog: Touchkeyer on Altoids-based HF radio

Touchkeyer on Altoids-based HF radio

Check out this nifty touchkeyer (for CW or "continuous wave" Morse code) ham operator Jonathan Haynes ( KC7FYS) built into his Altoids-housed ATS-3b high-frequency CW radio transceiver:

I put whiteboard marker on my fingers and pressed them on a piece of paper to get this footprint. The idea of sculpting them from PCB material came to me when I was trying to sleep. Ha ha. Next time I'll use thicker copper with a thicker substrate.

Nice work on the whole project. The labels and green metalflake are swanky.

Touchkeyer Ergometrics - Link

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