The post describes a simple 220V mains transformerless LED candle light circuit which switches ON automatically in the absence of ambient light in the room and vice versa. The idea […]
Search Results for: power supply
How to Make a Solar Panel Optimizer Circuit
The proposed solar optimizer circuit can be used for getting the maximum possible output in terms of current and voltage from a solar panel, in response to the varying sun […]
PIR Ceiling Fan Controller Circuit
In this post I have explained a simple automatic PIR controlled ceiling fan circuit for school college use, which responds and switches ON only in the presence of a human […]
Arduino Mains Failure Battery Backup Circuit
In this article I have explained a simple mains failure backup circuit for providing Arduino boards an uninterruptible supply during such situations. The idea was requested by Mr. Fredrik. Technical […]
What’s Islanding in GTI (Grid Tie Inverter)
One big issue that most GTI manufacturers struggle to implement effectively is, what is commonly known as “islanding”, the following discussion throws light on this important factor and tries to […]
PWM Air Blower Controller Circuit for Biomass Cook Stoves
The article details a PWM speed controller circuit for a fan air blower system to be used in Biomass cook stoves. The circuit also includes an uninterrupted automatic battery back-up […]
