In this post we are going to construct a ultrasonic based solar powered wireless water level indicator using Arduino in which the Arduinos would be transmitting and receiving at 2.4 GHz wireless frequency. We will be detecting the water level in the tank using ultasonics instead of traditional electrode method. By Girish Radhakrishnan Overview Water […]
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Automatic PIR based Solar Home Lighting
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 […]
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, […]
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 […]
10KVA Solar-Grid Inverter Changeover with Low Battery Protection
In this post we learn how to build a 10kva solar grid inverter changeover circuit which also includes a low battery protection feature. The idea was requested by Mr. Chandan Parashar. Solar Panel to Inverter Changeover Specifications I am big follower and fan of yours. I have a solar panel system with 24 Panels of […]
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 […]
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 […]
Solar Inverter for 1.5 Ton AC
Here we learn how to build a solar inverter circuit for a 1.5 ton air conditioner (AC) for powering the AC during daytime directly from solar panels without depending on grid power. The idea was requested by Mr. Subhashish. 1.5 Ton Inverter Specifications A 1.5 ton air conditioner is equivalent to an approximately 1.5 x […]
Solar E Rickshaw Construction, Working
The post explains a simple solar electric rickshaw or E rickshaw circuit which can easily built by anybody at home and used with a locally fabricated vehicle. The idea was requested by Mr. Amit. Technical Specifications dear sir, i will enough grateful to if you can provide me the complete circuit for e rickshaw with […]
Best 3 MPPT Solar Charge Controller Circuits for Efficient Battery Charging
An MPPT as we all know refers to maximum power point tracking which is typically associated with solar panels for optimizing their outputs with maximum efficiency. In this post we learn the 3 best MPPT controller circuits for efficiently harnessing solar power and charging a battery in the most efficient manner. Where an MPPT is […]
Automatic Solar Light using a Relay Changeover
This automatic solar light circuit using relay changeover is designed for charging a battery during day time or as long as the solar panel is generating electricity, and for illuminating a connected LED while the panel is not active. Upgrading to a Relay Changeover In one of my previous article which explained a simple solar […]
Solar Panel/Battery/Mains Changeover Relay
The post discusses a simple relay changeover circuit for managing a sustained power to the connected battery via a solar panel, and a mains operated SMPS power supply. The idea was requested by Ms Rina. Technical Specifications I would like to know how the circuit looks like for the problem that you have explained previously. […]
Wireless Home Security Circuit – Solar Powered
The article discusses a remote controlled wireless home security circuit using which enables the detection of a possible intrusion way in advance depending on how and where the remote sensors are positioned over the selected strategic locations and the desired distance from the house. The idea was requested by Mr. Dave Monette. The request is […]
Solar, Wind, Hybrid Battery Charger
The article explains a dual input hybrid solar and wind battery charger circuit using cheap and ordinary components. The idea was requested by one of the interested members of this blog. Technical Specifications Good after noon sir am designing a ” Solar and Wind energy harvest regulator circuit” which has two inputs and one output. […]
Solar Insect Killer for Protecting Crops in Farms
The insect killer circuit presented here is designed to attract insects during night, and electrocute them through a high voltage mesh trap. The unit can be installed in farms for protecting crops from potentially harmful insects. The unit being solar powered does not depend on human intervention and works independently. In one of our previous […]
Solar Insect Repellent for Protecting Crops in fields
The post explains a simple to build ultrasonic insect repellent circuit which can be installed in farms and used by the farmers for driving away all sorts of insects, bugs, grasshoppers etc in order to protect the crops from these potentially harmful pests. The idea was requested by Mr. Cia Brisat. Technical Specifications I am a […]
Solar Drip Irrigation System for Indoor Gardens
The post explains a water level controller circuit which can be used for implementing an unmanned continuous drip irrigation to a home based garden. The idea was requested by Mr. Sandipan. Technical Specifications I’m implementing a drip irrigation for my balcony garden. One part of it is to automatic fill water a 5 liter/10 liter […]