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Solar Circuits

DIY Solar Battery Charger Circuit

Last updated on 7 October 2025 by Admin-Lavi Leave a Comment

This is a small DIY Solar Battery Charger Circuit project. It charges one 3.7V lithium battery using sunlight. We can use solar cell, TP4056 charger board, one diode, one switch and one boost converter module.. This circuit make 5V power for battery and mobile charging. Graph for lithium battery charge over time: This graph show […]

Filed Under: Battery Charger Circuits, Solar Circuits

Simple Solar Mobile Charger Circuit

Last updated on 11 October 2025 by Admin-Lavi Leave a Comment

Mobile phones need charging every day. In remote areas power is not always there. Solar charger is best option. Sunlight is free and always available in day. Small solar panels can make a charger for phone. This project is about Simple Solar Mobile Charger Circuit Circuit Working: Parts List: Component Specification Quantity Solar Panel 5.5V, […]

Filed Under: Solar Circuits

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

Solar Tracking Circuit using Arduino

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

Today solar power is very important because world need clean and green energy, also solar tracking help make solar panels work better. Move solar panel with sun all day so panel get more sunlight and gives more power. Solar Tracking Circuit using Arduino is smart, DIY and fun project and Arduino is open-source board which […]

Filed Under: Arduino Projects, Automation Circuits, LDR Circuits, Renewable energy, Sensors and Detectors, Solar Circuits

IC 555 Solar Charger Controller Circuit

Last updated on 6 June 2026 by Admin-Lavi Leave a Comment

We can make small IC 555 Solar Charger Controller Circuit, as this circuit checks battery voltage from solar panel and when battery is full then the circuit stop power from panel. Thus, this stop battery from overcharge and damage. Circuit Working: Parts List: Components Values Quantity Resistors R1 330Ω set to 14.9V 1/4 watt, R2 […]

Filed Under: 555 Timer Projects, Battery Charger Circuits, DIY Projects, Solar Circuits

Simple Solar Garden Light Circuit using One Transistor

Last updated on 4 June 2026 by Admin-Lavi 2 Comments

Simple Solar Garden Light Circuit using One Transistor, uses one special switch and a sun power to turn on LED at night. Also, when sun goes down the light turns ON by itself and when sun come back the light turns OFF, like a magic! Circuit Working: Parts List: Components Values Quantity Resistors 1k, 47Ω, […]

Filed Under: Battery Charger Circuits, DIY Projects, LED and Lamps, Solar Circuits, Transistor Circuits

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