This simple cellphone power bank circuit charger can be built at home and used for emergency charging your cell phone anytime anyplace regardless of an AC mains outlet or input […]
How to Calculate Capacitor Series Parallel Connections
In this article we will learn the formulas for calculating capacitors connected in series and parallel, and also understand regarding the various parameters associated with capacitors in electrical circuits, in […]
3V to 5V Boost Circuit for Battery Charging and LED Driver Applications
The post narrates how a single chip MAX641 can be used for making an efficient 3V to 5V boost converter circuit for charging 5V battery from a 3V source for […]
Water Level Controller using a Single SCR
The water level controller circuit explained here uses just a couple of parts including a single SCR for implementing the sensing as well as controlling water levels. The circuit can […]
Diesel Engine Delay Start Circuit
In this post we make a simple delay start circuit for diesel engines in order to enable a proper preheat It happens to be well known that diesel engines need […]
Automatic Universal Battery Charger Circuit for all types of Battery
The post explains a simple universal automatic 12V battery charger circuit which can be used for charging all types of batteries regardless of the current capacity or the AH level. […]