@▷ Remote and Touch Volume Controls by IC MC3340P | Diagram for Schematic

Remote and Touch Volume Controls by IC MC3340P

Remote and Touch Volume Controls circuit by MC3340P
If you are tired of adjusting the volume with a normal volume. I suggest this is the remote and touch volume controls circuit. You can adjust the volume by pressing the touch. To increase or decrease the volume of the amplifier, the microphone and other easily.
We use the MC3340P is the main equipment. It is suitable for typical uses include instrumentation control, remote control audio amplifiers, electronic games, and CATV (cable TV) set–top converter audio control.
We used IC1 acts as a buffer to help add up the sensitivity in the connection. when touch point input, the audio from input to pin 1 of IC2, the signal high or low follow by we touch, if decrease output pin 7 will low level signal, but increase point the audio output is higher to the power amplifier next.

Remote and touch volume controls by MC3340P

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