Using a 555 as an oscillator for the 1Khz tone a relay and a touch sensor I have built a morse keyer without any keys. Check out the video ... Yes, I know I keyed 'R' incorrectly. https://www.dropbox.com/s/6dghgorpaytjog2/20140717_185203.mp4 Have Fun! -- Dan Metcalf -- KB3UUN c. 301 769 1111