Basics 3 min read
DIY: How to Build a Hand Crank Flashlight
A hand operated flashlight does not need input from sources like wind or sun in order to generate electricity. Just…
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Author: Prabhu TL.
Prabhu TL is a SenseCentral contributor covering digital products, entrepreneurship, and scalable online business systems. He focuses on turning ideas into repeatable processes—validation, positioning, marketing, and execution. His writing is known for simple frameworks, clear checklists, and real-world examples. When he’s not writing, he’s usually building new digital assets and experimenting with growth channels.
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2N3055 Transistor Datasheet Explored
Almost 90 % of all medium power electronic gadgets incorporate 2N3055 transistors in their output stages – probably enough to…
Basics 3 min read
A Practical Introduction to Transistors
Basically the function of a transistor is to amplify a small ‘base/emitter’ voltage into a much larger ‘collector/emitter’ voltage. A…
Basics 4 min read
Build a Scrolling Message Display Circuit
Moving message display units consist of very complicated circuitry and are impossible to build without using microcontroller ICs. However, a…
Basics 4 min read
DC Inverters for Air Conditioners
Using the latest advancements in inverter technology, air conditioners are quieter to run and more economical to operate than conventional…
Basics 5 min read
What are the Common Insulating Materials Used in Electrical Engineering?
The main aim of an insulating material is to separate electrical conductors without passing current from one to the other…
Basics 4 min read
Determining Causes for Electric Motor Failure
It is estimated that 92% of the electric motor failures occur at the start up. Most of these failures occur…
Basics 3 min read
Electricity and Electromagnetism: Theory and Applications
Undoubtedly one of the few major discoveries of humankind throughout history, electricity has changed our lives in ways our ancestors…
Basics 4 min read
Understanding Smith Charts
The Smith chart, also known as a polar impedance plot, was invented by Philip Smith in 1939 to plot the…
Basics 4 min read
Calculating the Cost of Electrical Power Consumption
Learn how to calculate the power consumption of your various appliances and equipment’s and also find out how power rates…
Basics 4 min read
Wireless Network Energy Management Systems
Installing an energy management system can get really painful, and one of the easiest ways to overcome this problem is…
Basics 5 min read
An Introduction to SCADA Systems
SCADA systems automate power systems used in many industries. Here’s an inside look at what they are and why you…