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Mini Projects

Simple Christmas Fairy Flashing LED Lights Circuit

Last updated on 19 May 2026 by Admin-Lavi Leave a Comment

With this easy guide for Simple Christmas Fairy Flashing LED Lights Circuit we are ready to jingle all way! Also, this circuit makes fun and happy pattern with blinking LED lights which look like small Christmas bulbs and also to make lights look more special we can put them in line or shape and use […]

Filed Under: DIY Projects, Hobby Circuits, LED and Lamps, Mini Projects, Oscillator Circuits

Simple Electronic Stethoscope Circuit

Last updated on 19 May 2026 by Admin-Lavi Leave a Comment

This Simple Electronic Stethoscope Circuit teaches us about how to make one type of stethoscope circuit. Normal stethoscope uses tube to listen small sound from body like heart and lung but this electronic stethoscope uses small electric parts to make sound more clear and loud. The circuit also help doctors and nurses hear better what […]

Filed Under: Audio Circuits, DIY Projects, Mini Projects

Simple RF Field Strength Meter Circuit

Last updated on 18 May 2026 by Admin-Lavi Leave a Comment

To begin with, this Simple RF Field Strength Meter Circuit show how to make device to measure radio wave! Radio and mobile phone both use radio wave and this signal we cannot see, also this thing are helpful for radio fans, engineers and new people. Also, they can check how strong signal is in different […]

Filed Under: Meters and Testers, Mini Projects, Transmitter Circuit

Simple Electronic Code Lock Circuit

Last updated on 15 May 2026 by Admin-Lavi Leave a Comment

To begin with, this is easy and Simple Electronic Code Lock Circuit; to open door or box no need of key we can use special code instead. Also, this circuit uses buttons and code to the open lock, so only correct code can open and wrong code will not work. Circuit Working: Parts List: Components […]

Filed Under: Automation Circuits, DIY Projects, Hobby Circuits, Mini Projects, Security and Protection

Make a Simple Electric Guitar Circuit

Last updated on 12 May 2026 by Admin-Lavi Leave a Comment

Want to try to make DIY Simple Electric Guitar Circuit from Hawaiian guitar? then this article can help, it is very good idea and cheap also which anybody can try. What is Electric Guitar: Electric guitar is guitar that take sound from strings like steel or nickel and change into electric signal using sensor, then […]

Filed Under: Amplifier Circuits, Audio Circuits, DIY Projects, Mini Projects

Simple Day Night Activated Switch Circuit using a Triac and LDR

Last updated on 12 May 2026 by Admin-Lavi Leave a Comment

Simple Day Night Activated Switch Circuit using a Triac and LDR show how to make circuit which turns ON and OFF things by seeing outside light; also we only need one light sensor (LDR), one resistor, one capacitor and one special switch called Triac. Moreover, many alarm systems use this circuit because it turns ON […]

Filed Under: Alarm Circuits, DIY Projects, LDR Circuits, LED and Lamps, Mini Projects

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