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SMPS Switching Power Supply Design; Circuit Diagrams
A guide to SMPS switching power supply for designers, hobbyists and buyers. What is SMPS and how it works. Circuit design tutorial, schematics, topologies, PCB design rules, magnetics, power electronics and electrical engineering reference info.
Power Over Ethernet (PoE) Basics
Introduction and basic principles of Power Over Ethernet (PoE).
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A practical guide to uses of the sunlight's energy at home or business. Provides detailed info on how solar power works and how it can be converted to electricity or heat.
Free Online Calculators and Unit Conversion
Calculators online: engineering, math, metric conversion, and other.
PCB Design- Guidelines and Calculators
Basic PCB design guidelines and online calculators.
Solar Energy Uses in Homes: Solar Guide
A practical guide to uses of the sunlight's energy at home or business. Provides detailed info on how solar power works and how it can be converted to electricity or heat.
Electric Generators and Backup Power for Home
All about electric generators and other backup power systems for home: pros and cons of various types, how to choose, where to buy, sizing, ratings, and 2018 reviews.
Portable Generator: The Consumer's Guide
Your guide to buying portable generator for home. How do portables work, available types, their pros and cons, sizing and selection recommendations. Things to know to choose the right one.
Wind Power Generators for Home Use
Discover wind generators for home use. How they work; what's their power generation capability; and lesser known details you need to know before you buy.
Electric Generator: What Is It & How It Works
What is an electric generator and how it works. Pros and cons of different types. What to choose for home or business and what you need to know to buy.
Home Generators Types- Buying Guide
A concise guide and expert advice on buying generators for your home. What types and options exist, how to choose, where to buy, and little known details to know.
Power Factor Calculation and Correction
A concise guide to power factor correction. Provides tutorials, formulas, online calculators and recommendations.