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DIY Simple Bluetooth Speaker Circuit

Last updated on 4 September 2025 by Admin-Lavi Leave a Comment

Today music is everywhere and it has become part of our daily life. People like to carry small portable speakers in bag, while travelling or in room. Making our own Bluetooth speaker is not so hard. With small parts like battery, speaker and Bluetooth module we can build it ourselves. This project for DIY Simple […]

Filed Under: Audio Circuits

DIY Paper Recycling: Turn Old Paper into New

Last updated on 4 September 2025 by Admin-Lavi Leave a Comment

Do you throw old notebook, newspaper or bills in dustbin? then Wait! What if old waste paper become new fresh sheet in our hand? Yes, it is possible and its quite very easy! This small DIY Paper Recycling Turn Old Paper into New teaches us how to recycle paper at home. This project save trees, […]

Filed Under: Tutorials

Solar Powered Mobile Charger Circuit

Last updated on 4 September 2025 by Admin-Lavi Leave a Comment

Now days mobile phones are very important part of our life. But charging it always need electricity. If we are outside or village side where there is no power then problem comes. This small Solar Powered Mobile Charger Circuit can give 4.7V output from 9V solar panel. It is simple and with low cost circuit […]

Filed Under: Solar Circuits

Touchless Dustbin Circuit using Arduino Uno and Ultrasonic Sensor

Last updated on 3 September 2025 by Admin-Lavi Leave a Comment

This is simple and useful mini project for Touchless Dustbin Circuit using Arduino Uno and Ultrasonic Sensor. It is called smart dustbin or automatic dustbin. In normal dustbin we have to touch lid by hand which is not hygienic. In smart dustbin the lid opens automatically when person comes near. It uses Arduino, ultrasonic sensor […]

Filed Under: Arduino Projects, Sensors and Detectors

Luggage Safety Alarm Circuit using IC LM358

Last updated on 3 September 2025 by Admin-Lavi Leave a Comment

Today security is big problem everywhere. Many time thief try to open bag or suitcase in bus, train or station. We cannot always watch our luggage. This small Luggage Safety Alarm Circuit using IC LM358 help to protect our bag. It uses piezo sensor and LM358 to sense vibration. When someone touches or try to […]

Filed Under: Alarm Circuits, Security and Protection

Cricket Stumps and Bails LED Indicator Circuit

Last updated on 26 August 2025 by Admin-Lavi Leave a Comment

In cricket stumps with flashing LED are used. They glow when ball hits the stumps. This project is for Cricket Stumps and Bails LED Indicator Circuit It uses light sensor and LM3909 IC. Power comes from small 3V coin cell. It is low cost and is easy to build. Circuit Working: Working of Bails LED […]

Filed Under: LED and Lamps

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