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Posts tagged 2N4401

500W Car Power Amplifier Circuit

500W Car Power Amplifier Circuit using 1N4148, 2N4401, TIP31, TIP3055, 1N4002, TIP2955, TIP32, BD139, TL072

Led Strobe

6v led strobe circuit using CD74HC4017 and MM74C14 6v led strobe circuit using CD74HC4017 and MM74C14 Led Strobe 1 IC1 MC14584BCP IC2 CD74HC4017N T1 2N3904 or 2N4401 NPN transistor 8 D1 to D8 1N4148 or 1N914 Diodes 10 LEDs Blue, green or white Ultra-Bright LEDs with Vf = 3.2V or less at 20mA 1 R1 […]

Electronic circuit diagram Switching Power Supply

Electronic circuit diagram Switching Power Supply

VU Meter using a lm3915 Circuit diagram

LED current drive is regulated and programmable, eliminating the need for current limiting resistors. The IC contains an adjustable voltage reference and an accurate ten-step voltage divider. VU meter uses just one IC and a very few number of external components. It displays the audio level in terms of 10 LEDs. The LM3915 is a […]

lm386 projects

lm386 projects lm386 audio amplifier circuit LM386 Circuits and Projects Collection Scheme Audio Power Amplifier

How to make FM Radio Receiver

Radio fm receiver How to make FM Radio Receiver ? Radio FM Receiver using 2N4416, TL431CLP

Electric Circuit Diagram light flash using NE555 and 2N3055

Electric Circuit Diagram light flash using NE555 and 2N3055 Circuit Diagram uses a 555 timer IC working as an astable multivibrator. The flashing rate can be varied from very fast to a maximum of once in 1.5 sec by varying the preset VR1.

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