This complete video game circuit was found in the May 1978 issue of Radio Electronics magazine. The circuit includes the power supply and timing based on the MM5710N.
This circuit was obtained in a documentation of the 80s, using operational of the time. The...
In the figure we have a third fast adder that we found in an 80's Electronic Engineering. The circuit can...
We found this simple music box circuit that can also be used in a musical bell in a 1991...