This circuit was found in the January 1999 issue of Electronics Now magazine. The circuit uses an integrated circuit from the period and has earphone listening.
With this circuit that we found in documentation from 1989, it is possible to transform an...
This conventional 4017 sequential circuit has appeared several times in our articles and on this...
This receiver receives signals in the range of 3.2 to 16 MHz, presenting a good sensitivity thanks...