We found this circuit for 330 MHz using PIC in the magazine Electronics Now of December 1994. The circuit uses components common at the time.
WWV is the prefix for the United States' time and frequency patterns station. These signals can be used...
This wired control circuit serves both volume and balance between channels. We found it in Radio...
This circuit produces a loud audio tone by a small loudspeaker. Power supply voltage ranges from 5...