LM386 based stereo audio amplifier with digital volume control using PIC18F2550
Due to its simplicity (requires minimum external components) and high availability, LM386 is very popular among hobbyists for use in low-voltage audio amplification applications. Most of the time a potentiometer is used at the input side of LM386 to provide a volume control in the outputΒ speaker. The potentiometer does not control the gain of the […]
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