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Renewable energy

Automatic Solar LED Light Circuit

Last updated on 5 July 2026 by Admin-Lavi Leave a Comment

Solar power is free energy and it comes from the sun, it is clean and is renewable, because of this solar lights are very popular today; also this is Automatic Solar LED Light Circuit and it turns ON light at night, and it turns OFF light at day automatically. This circuit requires no switch, making […]

Filed Under: Automation Circuits, Battery Charger Circuits, DIY Projects, LED and Lamps, Power Supply Circuits, Renewable energy, Solar Circuits

Low Cost 1.2V AA Ni-MH Solar Battery Charger Circuit

Last updated on 3 July 2026 by Admin-Lavi Leave a Comment

This project shows about a Low Cost 1.2V AA Ni-MH Solar Battery Charger Circuit, as it works with small cheap solar panel and charges the battery safely in sunlight; also it uses only solar panel, diode, resistors and two transistors. Furthermore, these parts are few which are easy to find and circuit protects battery from […]

Filed Under: Battery Charger Circuits, Hobby Circuits, Renewable energy, Solar Circuits, Transistor Circuits

Solar Water Pump Circuit using Battery and MOSFET

Last updated on 3 July 2026 by Admin-Lavi Leave a Comment

In my earlier article I showed about solar water pump circuit using relay, that design works, but relay makes clicking sound and relay contacts can burn after long use. So now here is the new version and this project is Solar Water Pump Circuit using Battery and MOSFET instead of relay, as MOSFET has no […]

Filed Under: Automation Circuits, Battery Charger Circuits, Hobby Circuits, Renewable energy, Solar Circuits, Water Level Controller

Solar Water Pump Circuit using Battery and Relay

Last updated on 3 July 2026 by Admin-Lavi Leave a Comment

This project is about Solar Water Pump Circuit using Battery and Relay; it uses one 18V 20W solar panel, two small 12V batteries, one relay and diodes. The circuit can run a 12V DC water pump and battery stores power from solar panel and relay controls when pump run; also it is a very simple […]

Filed Under: Automation Circuits, Battery Charger Circuits, Hobby Circuits, Renewable energy, Solar Circuits, Water Level Controller

Simple Solar USB Charging Circuit

Last updated on 2 July 2026 by Admin-Lavi Leave a Comment

We can charge phone or gadgets from sun with no wire and with no electricity bill; but this is possible only through solar power! therefore, this Simple Solar USB Charging Circuit help store sun energy in battery. Battery give power anytime and only few parts needed: solar panel, diode, battery, USB module and is small […]

Filed Under: DIY Projects, Mini Projects, Power Supply Circuits, Renewable energy, Solar Circuits

Simple Solar Battery Charger Circuit

Last updated on 2 July 2026 by Admin-Lavi Leave a Comment

Sun gives free energy every day and we can catch this energy and store in small batteries; also this Simple Solar Battery Charger Circuit does this job with very few parts. Just one solar panel, one diode and four NiMH cells, with no complex electronics and no hard wiring and is good for beginners, students […]

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

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