Preamplifiers (NE5532, TL072), headphone amplifiers, simple guitar fuzz pedals, graphic equalizers, and small speaker amplifiers (LM386, TDA2030).
The projects are Night light sensor, overhead water tank level indicator, LED dimmer, police siren, touchpoint based calling bell, Electronic Enthusiast Projects And Circuits Pdf -
: Focuses on quick, one-evening builds spanning audio, radio, and gaming devices. Essential Project Categories
Delete them. They are noise.