The post explains a simple circuit using PIR, LDR for making an automatic solar LED lamp which can be used for illuminating your home automatically at sunset, and only in the presence of a human member in the premise. By SS Kopparthy Introduction Here, in this article, a simple yet useful and improved version of the […]
Renewable Energy Projects
Simple Solar LED Highway Lighting System
The discussed circuit for a simple solar LED street light system is specifically designed for the new hobbyist who can build it simply by referring to the pictorial schematic presented here. Due to its straightforward and relatively cheaper design the system can be suitably used for village street lighting or in other similar remote areas, […]
Designing a Powerful 48V 3KW Electric Vehicle
The post explains a few important parameters related to the making of a 48V 3KW electric vehicle using solar panel, including a full fledged circuit diagram for the same. The idea was requested by Mr. Sreejith. Electric Motor to Carry 900 kg Load I am Sreejith Rajan a b.tech student doing a project on electric […]
3 phase Solar Submersible Pump Inverter
The post explains a simple 3 phase solar submersible pump inverter circuit which can be made by configuring a few ICs and a few power devices. The idea was requested by Mr. Lufono and Mr. Sami. Solar Inverter for 3 Phase Pumps First of all i must say thanks to you and Mr. Lufono, i […]
Remote Controlled Solar Lamp Intensity Controller
The post details a simple remote controlled solar lamp intensity controller circuit which can be used for controlling the street lamp LED intensity without practically reaching for the LED box. The idea was requested by one of the dedicated members of this website Circuit Objective I have successful build this current controlled driver circuit with […]
How to Make a Shake Powered Flashlight with Magnets and Coils
The post discusses a shake powered flashlight circuit using an simple copper coil and a magnet. The idea was requested by Mr. Dennis Bosco Demello The Design Electromagnetism was proved way back in 1873 my Maxwell, and later by Faraday, and amazingly the technology still forms the backbone of all the major electrical systems of […]
Making an MPPT using a single LM317 IC
To make this simple MPPT circuit we first modify a standard LM317 power supply circuit into a buck converter then configure it with a solar panel for implementing an MPPT function. Modifying a LM317 Power Supply into an MPPT Solar Optimizer In our previous article we learned how a standard LM317 power supply could be […]
Solar Pocket LED Light
The post explains a simple low cost solar pocket LED light circuit which could be used by the needy and, underprivileged section of the society for illuminating their houses at night cheaply. The idea was requested by Mr. R.K. Rao Solar Powered LED Table Lamp I want to make a SOLAR pocket LED light using […]
Simple Faraday Flashlight – Circuit Diagram and Working
In this article we are going to construct a Faraday flashlight circuit using only a coil/magnet assembly which requires no battery. It’s not free energy, but it converts oscillatory motion to electricity, which can power the flashlight for a couple of minutes. This flashlight will be useful in emergency situations where no access to electricity […]
How to Design a Solar Inverter – Detailed Tutorial with Diagrams
Designing a solar inverter circuit essentially requires two parameters to be configured correctly, namely the inverter circuit and the solar panel specs. The following tutorial explains the details thoroughly. Building a Solar Inverter If you are interested to build your own solar inverter then you ought to have a thorough knowledge of inverter or converter […]
Connecting MPPT with Solar Inverter
The small discussion presented in this article explains whether or not it is advisable to Connect parallel MPPTs with Solar inverters for increasing the net current value of the MPPTs. The question was raised by Mr. Ahmed Qaid Want to Convert Home Inverter to Solar hello sir, I have many questions and I hope you […]
Solar Charger using Transistors
The post details a simple solar charger circuit with automatic cut-off using transistors only. The idea was requested by Mr. Mubarak Idris. Technical Specifications Please sir can you make me a 12v, 28.8AH lithium ion battery,automatic charge controller using solar panel as a supply, which is 17v at 4.5A at max sun light please sir […]
Simple Vertical Axis Wind Turbine Generator
The post explains a simple vertical axis wind turbine generator circuit using ready made high power generator dynamo and a vertical axis wind turbine mechanism. The idea was requested by Mr. Taibani. Technical Specifications Hope you’re doing well. Firstly thanks for all the great knowledge & information you have given here its really appreciated. I […]