A Dutch hamradio station in a bookbinding workshop

Super simple touchkey

One day surfing the web I came accross a schematic of the Super simple touch paddle.

2 transistors (BC548) and an antistatic wrist strap which is to be connected to the plus pole of the trx power supply.

Works fine!

M0UKD has more on his site

More home-brewed keys under "Morse Keys & keying"