This TTL counter was found in the March 1991 issue of Radio Electronics magazine. The circuit is part of a larger project and must be powered by a 5V voltage.
Found in a documentation from the 90's, this circuit uses only one integrated circuit. The...
This power supply originally created for the CB16776E project but can be used for any type of 12 V...
The original purpose of this circuit, which we find in old American documentation, is to modulate an...