Beer can CW key
When the thirst is over, it is time to build a CW key out of the empty can.
A little piece of pc-board is glued under the opening tab and a short wire is soldered to it.
Keying cable is conected with alligator clips. One clip to the short wire just mentioned, another to the can edge. No sweat sending CW. For best results keep the fingers stiff and move the wrist only.
It has permanent cable connections instead of alligator clips.
CAUTION: Make sure the beer can is empty before drilling this hole.
This is how the key works: