Posted inelectronic devices
Toy Telephone with no Strings Attached
This toy telephone uses a couple of radio speakers and connecting wires. An update to…
Posted inelectronic devices
Make Yourself A D.C. Mobile Charger
Cell phones have become so indispensable that it is so difficult to lead a life…
Posted inelectronic devices
Controlling DC Motor Speed Using IC L165
The article explains how to control the speed of a DC motor through a very…
Posted inelectronic devices
Simple Example Circuits for the LM386 IC Audio Amplifier
You may find this circuit idea very handy particularly while making small projects involving low…
Posted inelectronic devices
Master-Slave Flip-Flops
In previous articles we discussed the JK flip-flop and its undesirable operation. When J=1 and K=1, there…
Posted inelectronic devices
Simple Intercom Circuit for Home Communication
This little home communications system can be used to talk across different rooms or locations…
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Embedded Systems Explored – Theory and Concepts
An embedded system is a combination of hardware and software, and perhaps additional mechanical or…
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What Is A Transducer?
Transducer is a device that converts energy form one form to other, to make it…
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Fuzzy Logic
The word “Fuzzy" means hazy, blurred, confused or not clear. When it comes to binary…
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Compact, High Power Transformerless Power Supply You can Build
The IC FAN7602B from FAIRCHILD is equipped with features which enables a fail proof and…