This sensitive 5-band circuit was found in a September 1995 issue of Electronics Now magazine. The headphones, for greater sensitivity, should be high impedance.
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...