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 circuit was obtained in a 1964 Electronic Design. The circuit uses components from that time,...
This circuit is from a 1995 publication. The components are all common and the number of LEDs may...
This simple sweep generator circuit has been found in older documentation, but can still be easily...