The following post explains how to build a simple laptop power bank circuit which can be used for charging a laptop battery during travelling or during outdoor trips. This device […]
Search Results for: regulator
7 Automatic Street Light Circuits [Using Relays and Solar Panel]
In this article we will discuss 7 useful yet simple automatic street light circuits using 220 V relays and solar panel. All the presented circuits can be used for automatically […]
Light Meter Circuit with LED Bar Graph
In this post we will discuss 3 different light meter circuits for measuring power of light. In the first method we will use only a solar cell and a multimeter, […]
Circuit Projects for Beginners and School Students
In this article we will learn how to build small electronic circuit projects suitable for beginners, young hobbyists, school students, who are new to electronics and are at the initial […]
Gel Cell Battery Charger Circuit [Constant Current, Constant Voltage]
In this post we will learn what are gel cell batteries and also learn how to build a specialized charger for charging a gel cell battery, with full calculations. The […]
3 LED Battery Level Indicator Circuit
The proposed 3 LED battery level indicator can be typically used for monitoring a 12 V lead acid battery charge level, through 3 distinct LED illumination. The entire circuit is […]