This circuit is an alternative to the previous circuit. We found it in the same article in the Radio Electronics magazine of March 1992. The integrated circuits are the LM3914.
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...