This is a diagram of a 1970s reel or tape recorder. It is an Italian Geloso recorder, quite popular at the time. The circuit is a reference for equipment recovery.
This simple 80's CMOS game was found in an English magazine of the time. It appears elsewhere on this...
This circuit is nothing more than a turn signal for two alternating LEDs that can decorate a robot...
Indicated for vinyl media recovery, this circuit is from the 80's, having been found in an...