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Solar Tracker Circuit using LDR and Op-Amp

Last updated on 24 October 2025 by Admin-Lavi Leave a Comment

Solar panels gives more power when they face the sun directly. Manual turning is hard and wastes time. Automatic solar tracker moves panel automatically with sun. This Solar Tracker Circuit using LDR and Op-Amp uses simple parts and with no Arduino or microcontroller. Main parts are two LDR sensors, TDA2822 IC, few resistors, solar panel […]

Filed Under: LDR Circuits, Solar Circuits

Voltage Vs Current Explained Simply

Last updated on 24 October 2025 by Admin-Lavi Leave a Comment

Electricity works because of voltage and current. Both are basic parts of any electric circuit. Voltage gives energy. Current shows how much charge is flowing. They are related but not the same. Let us understand both in simple words. What is Voltage? Voltage is the electric force or pressure. It pushes electrons to move in […]

Filed Under: Power Supply Circuits, Tutorials

Learn the Basics of Analog Circuits

Last updated on 23 October 2025 by Admin-Lavi Leave a Comment

Analog circuit is heart of electronics. It works with continuous signals, not digital ON/OFF. Everyday devices use radios, amplifiers, sensors and more. Simple analog circuit helps us understand how signal change with time. This article, Learn the Basics of Analog Circuits is good for beginners. Working of Analog Circuit: Circuit Parts used in for Analog […]

Filed Under: Oscillator Circuits, Tutorials

Electronic Eye Circuit using IC 4049

Last updated on 18 October 2025 by Admin-Lavi Leave a Comment

This project is for small Electronic Eye Circuit using IC 4049. It can sense darkness or shadow. When light falls on LDR the circuit stays OFF. When light is blocked then LED and buzzer turns ON. It is like a magic eye circuit used for security or door alarms. Circuit Working: Parts List: Component Value […]

Filed Under: LDR Circuits

Sound And Light Metronome Circuit using Transistors

Last updated on 18 October 2025 by Admin-Lavi Leave a Comment

Music needs rhythm. A metronome helps us keep that rhythm perfect. This small project for Sound And Light Metronome Circuit using Transistors turns light into beat. When light changes then sound speed also change. It is simple, fun and easy to build. What is Metronome: Metronome is small device that gives steady beat. It makes […]

Filed Under: Audio Circuits, Transistor Circuits

Simple LED Circuit

Last updated on 17 October 2025 by Admin-Lavi Leave a Comment

Want to light an LED using a battery? This Simple LED Circuit using 9V Battery shows how. It is the first step to learn electronics and current flow. Just with one battery, one resistor and one LED. We can make it in few minutes and see our LED glow bright. Circuit Working: Parts List: Component […]

Filed Under: Battery Charger Circuits, LED and Lamps

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