The post explains how to make a simple 220V mains operated ding dong bell circuit which will generate a powerful ding dong sound each time someone presses the bell push […]
220V Light Dimmer Circuit using Push Button Control
The following circuit can be effortlessly used for dimming a 220V or 120V mains operated lamp or fan using a single push button operation. Referring to the given figure, the […]
Cellphone Power Bank Circuit you can Make at Home
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 […]