The TIP122 is an NPN Darlington pair transistor that is commonly used in power switching applications. It has a high current gain and can handle up to 5A of continuous […]
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Understanding AC Circuit and Calculating AC Waveform
The sinusoidal waveform or sine wave is the most commonly used AC waveform in circuit theory. When a periodic AC waveform is produced by a voltage source, it creates an […]
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 […]
Fuel Cells [How they Work]
Fuel cells have the capacity to be the most effective and ecologically friendly power source ever devised. Since fuel cells are able to generate drinking water as a by-product, they […]