[Sebastian] is learning Morse code and CW radio, and of course he needed a telegraph key. Instead of using the terribly unergonomic paddle style key, he built a capacitive touch iambic key over the… ...

Bare Conductive raised over US$200,000 on Kickstarter last year for an Arduino-based project called Touch ... a bit of "distance code" can be uploaded to the board, making the touch sensor ...