Electronic Circuit Diagram and Layout

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TV remote control blocker using 555 ON electronic circuits diagrams

Earphone portable Circuit using 1 transistor HEP 230 Portable 3v Headphone Amplifier

Circuit diagram FM OSCILLATOR WITH BLY87 Component list of the FM Oscillator with the BF900 Resistors: R1 : 47k, 1/8 W R2 : 47k, 1/8 W R3 : 47k, 1/8 W R4 : 100E, 1/8 W R5 : 220k, 1/8 W R6 : 100k, 1/8 W R7 : 150E, 1/8 W R8 : 10k, lin. […]

This digital volume control has no pot to wear out and introduces almost no noise in the circuit. Instead, the volume is controlled by pressing UP and DOWN Digital volume control using DS1669