This circuit is from a 1992 publication and is based on CMOS technology. The circuit is powered by a 6 V source and the displays are of common cathode.
This digital electronic game circuit was found in a 1982 publication. It randomly draws the...
EDN magazine in a 90's issue published this TTL technology debouncer flip flop circuit, in this...
This circuit mimics the trill of a bird. We found it in an American documentation from the 90s. It is...