The post explains how to make a simple RF device which can be used as a wireless TV sound transmitter circuit using a few in expensive electronic parts Hear wirelessly […]
Make this Quadraphonic Sound System Circuit
Quadraphonic Sound System (4 channel Sound) circuit is the most sophisticated sound system and gives a true feeling of music. Monophonic sound system is the simplest of all the audio […]
Sound Operated Music Bell
In this post we learn how to make a simple sound operated music bell circuit which can be installed in homes for enabling the visitors to ring the door bell […]
Sound Decibel Meter Circuit
The sound decibel meter circuit shown underneath reacts to audio air pressure concentrations from approximately 60 to 70 dB. The sound is sensed by an eight ohm loudspeaker, intensified by […]