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Solar

Solar Insect Repellent Circuit for Protecting Crops in fields

Last Updated on September 25, 2026 by Swagatam 19 Comments

insect2Brepeller2Bcircuit

In this post I have explained 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 […]

Filed Under: Pets and Pests Tagged With: Crops, fields, Insect, Protecting, Repellent, Solar

Solar Drip Irrigation Circuit for Indoor Gardens

Last Updated on September 3, 2020 by Swagatam 3 Comments

drip2Birrigation2Bcircuit

In this post I have explained 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 […]

Filed Under: Solar Controller Circuits, Water Controller Tagged With: Drip, Gardens, Indoor, Irrigation, Solar

PWM Solar Battery Charger Circuit

Last Updated on May 17, 2026 by Swagatam 211 Comments

SMPSchargercircuit

This simple, enhanced, 5V zero drop PWM solar battery charger circuit can be used in conjunction with any solar panel for charging cellphones or cell phone batteries in multiple numbers quickly, basically the circuit is capable of charging any battery whether Li-ion or Lead acid which may be within the 5V range. Using TL494 for […]

Filed Under: Battery Charger Circuits, Solar Controller Circuits Tagged With: Battery, Charger, PWM, Solar

MPPT vs Solar Tracker – Differences Explored

Last Updated on July 15, 2019 by Swagatam 7 Comments

solar tracker ldr assembly

The post investigates two popular solar harnessing counterparts the MPPT and the solar tracker, and figures out the major differences between these two outstanding radiant energy spinning devices. It’s true that our planet is blessed with many radiant energy sources such as wind energy, hydro energy, sun or solar energy etc but unless these are […]

Filed Under: Solar Controller Circuits Tagged With: Differences, Explored, MPPT, Solar, Tracker

Solar Cellphone Charger Circuit

Last Updated on January 8, 2024 by Swagatam 9 Comments

cellphonechargerfromlaotpbatt

The article comprehensively discusses a MPPT based smart solar cell phone charger circuit. The idea was requested by one of the avid readers of this blog. Technical Specifications I am an electric and electronics final year student. My final year project title is smart solar charger for cellular phones. i was hoping sir can help […]

Filed Under: Solar Controller Circuits Tagged With: Cellphone, Charger, Solar

Optimizing Grid, Solar Electricity with Inverter

Last Updated on October 11, 2021 by Swagatam 20 Comments

In this post I have explained a circuit method which may be used to automatically switch and adjust the stronger counterpart amongst the solar panel, battery and the grid such that the load always gets the optimized power for an interrupted error for operations. The idea was requested by Mr. Raj. Technical Specifications Your projects/ circuits […]

Filed Under: Inverter Circuits, Solar Controller Circuits Tagged With: Electricity, Grid, Inverter, Optimizing, Solar

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