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Mini Projects

Simple Wireless Power Transmission Circuit

Last updated on 28 April 2026 by Admin-Lavi Leave a Comment

Wireless power is not new idea, but long time ago even Nikola Tesla tried this! Now, many things like phone, toothbrush and some medical stuff charge without wire, but still we can make it better. In this post, we will show how to make a easy Simple Wireless Power Transmission Circuit with transmitter and receiver […]

Filed Under: DIY Projects, Mini Projects, Power Supply Circuits, Transmitter Circuit

How to Make a Simple LED Bulb Circuit

Last updated on 28 April 2026 by Admin-Lavi Leave a Comment

Due to their growing popularity, people now commonly call LED lights ‘LED bulbs’ or ‘solid-state lights. Before 15 years these bulbs were not so bright, but these lights use very less power like only 0.5 to 3 watts so they save lot of electricity bill. But still we can make our own easy LED bulb […]

Filed Under: DIY Projects, LED and Lamps, Mini Projects

Light Up LED with Weak 1.5V Battery using Joule Thief Circuit

Last updated on 28 April 2026 by Admin-Lavi Leave a Comment

This easy LED circuit with Joule Thief can make light from a weak 1.5V battery, also it works with white, blue and UV LEDs. Further, we only need a low power battery like 1.2V, even better the LED still glows even if the battery is very low like 0.4V. So now we can use old […]

Filed Under: LED and Lamps, Mini Projects, Power Supply Circuits

Simple Solar Battery Charger Circuit with IC LM317

Last updated on 28 April 2026 by Admin-Lavi Leave a Comment

To begin with, this article show how to make charger which uses sunlight to charge 12V battery like car or some toy. Normally, charger need electricity, but here it uses solar panel, so it is good for place where no power is there. We call this circuit Simple Solar Battery Charger Circuit with IC LM317 […]

Filed Under: Battery Charger Circuits, Mini Projects, Power Supply Circuits, Solar Circuits

Simple Solar Powered Plant Watering Alarm Circuit

Last updated on 28 April 2026 by Admin-Lavi Leave a Comment

Simple Solar Powered Plant Watering Alarm Circuit tell us how to make small device that gives water to plant when plant need it. Furthermore, there are many ways to use solar energy but it should be clean and should not cost much, but the device used in this circuit is mix of solar power and […]

Filed Under: Alarm Circuits, Automation Circuits, Mini Projects, Sensors and Detectors, Solar Circuits

Simple Water Level Indicator Buzzer Circuit

Last updated on 28 April 2026 by Admin-Lavi Leave a Comment

This Simple Water Level Indicator Buzzer Circuit show how much water is inside the tank and also it make beep sound like alarm when water become too high or too low. Also, we can make this circuit using transistor and some other small electronic parts, however, it only beep when water touch two metal pieces […]

Filed Under: Indicator Circuits, Mini Projects, Sensors and Detectors, Water Level Controller

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