Electric Heat Pump Water Heaters
Hybrid electric, or heat pump, water heaters supply hot water and do it more economically (and ecologically) than other types of water heaters.
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How Digital Logic Gates Function
Understanding logic gates can be perhaps more easier than transistors. Here we go through a step by step analysis of the various characteristics of …
Continue ReadingThermographic Surveys - Types and Terminology
A thermographic survey is a useful tool to protect your expensive equipment, plants, and buildings. Here some important points regarding hiring a …
Continue ReadingAppliances and their Use of Electricity
Do you want to know how much energy your household appliances consume? Read on to check, monitor and calculate the energy consumption by your …
Continue ReadingPower in Symmetrical Components
In this article we discuss how to calculate the power flow in symmetrical components. Symmetrical components are balanced three-phase vectors derived …
Continue ReadingCommon Causes for Electric Motor Failure - Motor Failure Analysis
It is estimated that 92% of the electric motor failures occur at the start up. Most of these failures occur due to low resistance. Mechanical failures …
Continue ReadingBuild an Air Ionizer & Purifier Circuit at Home
Urban modernization has resulted in a huge depletion of naturally created ions that are good for health. The simple air ionizer circuit presented here …
Continue ReadingGraphene as a Semiconductor - Nano Circuitry on Graphene instead of Silicon
Graphene is basically a sheet of sp2 bonded atoms of carbon in the form of a hexagonal array. The name “graphene” comes from the words …
Continue ReadingHow to Build a Low Cost and Efficient Transformerless Power Supply
Capacitive power supplies are considered bad replacements for regular or SMPS transformer power supplies because they are not isolated from the AC …
Continue ReadingHow to Build a Simple FM Wireless Remote Switch
Controlling a particular electrical gadget through a wireless remote switch can be fun and also very handy. Building such an interesting project at …
Continue ReadingIs Extracting Gold from Printed Circuit Boards Possible? How is it Done?
Extracting gold from a printed circuit board can be a hectic process, but there are some methods that can be applied to remove minute quantities of …
Continue ReadingHow to Make Solar Powered String Lights
Here we discuss the complete construction details of solar powered string lights using a simple charging circuit, a few rechargeable pencil cells, and …
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