digital volume control


Posted on Feb 5, 2014

With this circuit you can make the amplifier volume control without having to use a potentiometer, but using a circuit with IC DS1669. For working voltage of the IC of this type was not 5 volts, but 4. 5 VOLTS to 8 Volt, but used in this circuit at 5 V because it is more secure than the IC find that you are using exploded.


digital volume control
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