How to Build a Portable Cassette Tape Player
A cheap cassette player constructible design is discussed in this article. An interesting home electronic project for all those electronic …
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How to Build Bird Sound Effects Generator Circuit
The article describes a few simple oscillator circuits which are suitably dimensioned as different types of tone generators resembling the sounds of …
Continue ReadingUpgrade Knob and Tube Wiring - Is It Safe to Leave it In Unhooked?
You’ve just bought an older house and found out that it has knob and tube wiring. You’re wondering whether or not you should upgrade it. …
Continue ReadingDesigning and Installing a Shoulder-warming Radiant Heat System for a Factory or Shop Space
Installing radiant heat systems in factories or industrial plants requires knowledge of the current and future uses of the space. Designs should be …
Continue ReadingHow to Make Your Own Highly Efficient LED Light Fixture
Fluorescent lamps in most houses incorporate ordinary inductive ballasts, which are pretty inefficient and consume almost double the power. The …
Continue ReadingHow to Install Geothermal Heating and Cooling Systems in Your House
This guide will give you the ins and outs of how to install geothermal heating and cooling systems in your home. Geothermal heatpumps are a fantastic …
Continue ReadingHow to Build a PWM Programmed Power Saving White LED Driver Circuit
The article discusses a PWM controlled, dimmable LED driver circuit design idea using a single IC HV9925 from Supertex Inc. The circuit supports a …
Continue ReadingApplication Circuits Using LM317 from National Semiconductor Datasheet Explained
The IC LM317 is so versatile that an almost unlimited number of different, small, high grade power supply circuits can be built using it. The …
Continue Reading100 + 100 Watt Car Stereo Amplifier Circuit Diagram Using IC STK4231 - Construction Explained
With monolithic linear ICs becoming commonly available, making monster power audio equipment at home has today become a child’s play. One such device …
Continue ReadingHow to Build a Switch Mode Power Supply Circuit - SMPS
The IC FAN7602B from FAIRCHILD is equipped with features which enables a fail proof and an efficient SMPS circuit design for green current-mode …
Continue ReadingWhat is Meant by the Beta of a Bipolar Junction Transistor
Ever wondered why only transistors are attributed with the property of current amplification? Basically it’s called the forward current gain or …
Continue ReadingHow to Evaluate Common-Emitter Configuration in Bipolar Junction Transistors or BJTs
Bipolar junction transistors (BJTs) are probably the most extensively used devices in electronic circuits and within the ICs, and the most common …
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