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Posts tagged 3V 1.5V AA

Portable guitar headphone circuit

Portable guitar headphone circuit I built a portable headphone amplifier for testing purposes Headphone amp circuit using : R1 = 10K R2 = 100K R3 = 68K R4 = 1.5K R5 = 3.3K R6 = 330R R7 = 4K7 R8 = 2.2R C1 = 1µF-63V C2 = 100µF-25V C3 = 470µF-25V Q1 =  BC239C Q2 […]

7 segment display driver ic

7 segment display driver ic 7 segment display driver segment using cd4026 driver segment using BA6250  

Data sheet ic

Data sheet ic LM331 DataSheet block diagram Data sheet ic LM331 DataSheet block diagram

Switches Diagram for traffic signs

Switches Diagram for traffic signs

Dimmer Touch Switch

Dimmer Touch Switch Dimmer Touch Switch circuit using TT6061A and ST136

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