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Op Amp 741 Sound Generator Circuit

Last updated on 12 December 2025 by Admin-Lavi Leave a Comment

Here is the tutorial for small circuit with big sound. This Op Amp 741 Sound Generator Circuit creates stable tone for hobby projects. The Op amp works like mini sound machine with no complex parts and with no hard wiring. Just connect parts and enjoy instant sound in just few minutes. This circuit is good […]

Filed Under: Audio Circuits

Audio Sound Generator Circuit using IC 555

Last updated on 12 December 2025 by Admin-Lavi Leave a Comment

Want a simple sound maker? then make noise with this electronic circuit. This small circuit makes loud beep sound from speaker using only one 555 timer. The circuit turns 9V battery into instant audio tone. This Audio Sound Generator Circuit using IC 555 is easy to build and is great for learning. Circuit Working: Parts […]

Filed Under: Audio Circuits, Timer Circuits

Fading LED Circuit using Arduino and Potentiometer

Last updated on 11 December 2025 by Admin-Lavi Leave a Comment

This project shows how to control Fading LED Circuit using Arduino and Potentiometer. Potentiometer gives analog voltage. By rotating the potentiometer knob varies the voltage output and arduino reads this variation. Arduino reads it and changes LED brightness and this LED brightness changes smoothly. It is easy to make a simple project for beginners and […]

Filed Under: Arduino Projects, LED and Lamps

Simple Up Down Fading LED Circuit

Last updated on 11 December 2025 by Admin-Lavi Leave a Comment

This circuit makes LED glow slowly and then fade slowly which looks like breathing effect. It uses simple parts like only resistor capacitor and transistor and with no microcontroller. This Simple Up Down Fading LED Circuit is good for beginners and easy to build on breadboard. This type of circuit can be used in shopping […]

Filed Under: LED and Lamps

35V Dual Output Power Supply Circuit

Last updated on 11 December 2025 by Admin-Lavi Leave a Comment

This tutorial teaches us about 35V Dual Output Power Supply Circuit. This circuit gives plus 35 volt and minus 35 volt. It is used for audio amplifiers and op-amp circuits. Circuit uses transformer, bridge rectifier, big filter capacitors. Output becomes +35V, -35V and ground. Circuit Working: Parts List: Component Specification Quantity Capacitors Electrolytic 4700uF 50V […]

Filed Under: Power Supply Circuits

12V 5A Linear Power Supply Circuit

Last updated on 10 December 2025 by Admin-Lavi Leave a Comment

This is a simple and easy to make 12V 5A Linear Power Supply Circuit. It uses transformer, bridge rectifier, filter capacitor, control transistor and regulator IC. Circuit gives clean 12V output. It is good for LED strips, small radios, car stereo tests, chargers and hobby projects. Circuit is easy to build and its parts are […]

Filed Under: Power Supply Circuits

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