This decorative circuit was found in the July 1994 issue of Electronics Now magazine. It makes LEDs blink in a face-shaped allegory. The frequencies are given by the capacitors in the oscillators.
This simple low power stage with output transformer was found in an American documentation. The transistor...
July 13, 2015 - Mouser Electronics, Inc. today announced that it has signed a global distribution...
This touch switch appears elsewhere on this site from various documentation. This is from an 80's...