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Mini Projects

Simple Timer Based Clock Ticking Sound Circuit

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

This article is about Simple Timer Based Clock Ticking Sound Circuit using IC 555, as 555 in astable mode make repeat signal like clock tick.; also, signal goes to small speaker and make ticking sound. Furthermore, circuit is good for beginner, easy to learn 555 timer and sound making. Circuit Working: Parts List: Components Values […]

Filed Under: 555 Timer Projects, Hobby Circuits, Mini Projects, Timer Circuits

Simple 60 Second Timer Circuit using IC 555

Last updated on 14 June 2026 by Admin-Lavi Leave a Comment

Simple 60 Second Timer Circuit using IC 555 controls timing in many electronic applications, also this circuit uses the 555 timer IC, a popular chip that engineers and hobbyists widely use for timing functions. Press push button and LED turns ON for about 1 minute. Also, this circuit is good for delay lights, fun projects […]

Filed Under: 555 Timer Projects, Automation Circuits, Mini Projects, Timer Circuits

Simple Flame Sensor Circuit using Arduino

Last updated on 14 June 2026 by Admin-Lavi Leave a Comment

Flame sensor is very important for many uses like industry machines, safety check and fire alarm. So in this post for Simple Flame Sensor Circuit using Arduino shows how to connect flame sensor to Arduino to find fire; also this project is cheap and works well for real-life fire detection. Arduino Code: Code for Flame […]

Filed Under: Arduino Projects, Hobby Circuits, Mini Projects, Security and Protection, Sensors and Detectors

Building an LDR Comparator Circuit using IC LM339

Last updated on 14 June 2026 by Admin-Lavi Leave a Comment

Building an LDR Comparator Circuit using IC LM339 is useful and important in many electronic jobs like sensing and control, also using LDR, resistors, LED and LM339 IC we can make a simple circuit to check light level and show light change. LDR works like light sensor and its resistance changes when light changes and […]

Filed Under: LDR Circuits, Mini Projects, Sensors and Detectors

Build Our Own Solder Fume Extractor Circuit

Last updated on 13 June 2026 by Admin-Lavi Leave a Comment

Soldering make bad smoke which is not good for health, so every work table need good smoke remover. To Build Our Own Solder Fume Extractor Circuit uses few easy parts to remove bad smoke, as it uses BC547 transistor, small DC fan, preset resistor, capacitor and NTC thermistor to make air clean and safe. Here, […]

Filed Under: Mini Projects, Security and Protection

Simple Arduino Based Electromagnetic Field Detector Circuit

Last updated on 13 June 2026 by Admin-Lavi Leave a Comment

EMFs (electromagnetic fields) are invisible energy from electricity and lights which are natural and man made. Some EMFs are safe and some are bad if used too much for long time, so we can use simple Arduino tool to find EMFs around us. Moving electric charge make EMFs and this EMFs have two parts: electric […]

Filed Under: Arduino Projects, Mini Projects, Sensors and Detectors

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