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Audio Spectrum Analyzer Circuit using IC MSGEQ7

Last updated on 20 December 2025 by Admin-Lavi Leave a Comment

Music is not only for ears, it can be seen also. With MSGEQ7 chip we can make music dance in lights MSGEQ7 is a chip made for audio spectrum analysis. It divides audio into 7 frequency bands. Each band gives an output voltage. This voltage can be read by microcontroller. Like Arduino, ESP32, STM32 etc. […]

Filed Under: Audio Circuits

RGB LED Color Control Circuit with LDR and Arduino

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

Do anyone like lamps that change color with magic? This project for RGB LED Color Control Circuit with LDR and Arduino makes its real. Using RGB LED and three LDR light sensors, we can create a smart lamp that mix colors based on light around it. Just a simple circuit and with some code, we […]

Filed Under: Arduino Projects, LDR Circuits, LED and Lamps

Arduino Based GPS Digital Clock Circuit

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

Normal digital clock use RTC chip or manual setting. Problem is RTC needs drift and reset. But here Arduino Based GPS Digital Clock Circuit solves the problem. GPS talk with satellite and always give exact time. Arduino read GPS time and show on LCD. So clock is never wrong, as it always auto update from […]

Filed Under: Arduino Projects, Transmitter Circuit

Small UPS Circuit for Router Backup

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

Never lose connection again, make this Small UPS Circuit for Router Backup. When there is power cut then internet goes off. Router and modem stop. Small UPS solve problem. This give backup to DSL modem and WiFi router. This circuit is with simple parts, easy to build and with low cost. Circuit Working: Parts List: […]

Filed Under: Battery Charger Circuits, Inverter Circuits

Sound Activated LED Circuit with Arduino

Last updated on 22 September 2025 by Admin-Lavi Leave a Comment

Make our Lights Dance with Sound! This Sound Activated LED Circuit with Arduino turns every clap, snap or beat into a colorful light show. It is a fun and easy project that brings sound and LEDs to life. Perfect for beginners who want to see their music or sounds in action! Circuit Coding: Coding Explanation: […]

Filed Under: Arduino Projects, Sensors and Detectors

Whistle Controlled Light Circuit using Arduino

Last updated on 22 September 2025 by Admin-Lavi Leave a Comment

This Whistle Controlled Light Circuit using Arduino is small and fun project. Bulb lights when we whistle. In this article we have used sound sensor, relay and Arduino Uno. This project is easy and cheap. The circuit is good for fun, study and small automation. Circuit Coding: Coding Explanation: Circuit Working: Parts List: Component Quantity […]

Filed Under: Arduino Projects, Sensors and Detectors

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