electronic devices 4 min read
Types, Working Principle of Hall Effect Ics
Hall Effect sensors are miniature SMD ICs based on CMOS technology which are able to convert fast switching magnetic fields…
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Toy Telephone with no Strings Attached
This toy telephone uses a couple of radio speakers and connecting wires. An update to the string-and-can telephone, this project…
electronic devices 3 min read
Make Yourself A D.C. Mobile Charger
Cell phones have become so indispensable that it is so difficult to lead a life without these smart gadgets. We…
electronic devices 4 min read
Controlling DC Motor Speed Using IC L165
The article explains how to control the speed of a DC motor through a very straightforward and easy to build…
electronic devices 3 min read
Simple Example Circuits for the LM386 IC Audio Amplifier
You may find this circuit idea very handy particularly while making small projects involving low power audio amplifiers like door…
electronic devices 4 min read
Master-Slave Flip-Flops
In previous articles we discussed the JK flip-flop and its undesirable operation. When J=1 and K=1, there is a restriction on pulse…
electronic devices 4 min read
Simple Intercom Circuit for Home Communication
This little home communications system can be used to talk across different rooms or locations within a large premise or…
electronic devices 6 min read
Embedded Systems Explored – Theory and Concepts
An embedded system is a combination of hardware and software, and perhaps additional mechanical or other parts, designed to perform…
electronic devices 5 min read
What Is A Transducer?
Transducer is a device that converts energy form one form to other, to make it readable for measurement. Thus it…
electronic devices 7 min read
Fuzzy Logic
The word “Fuzzy” means hazy, blurred, confused or not clear. When it comes to binary logic, the statement is either…
electronic devices 4 min read
Compact, High Power Transformerless Power Supply You can Build
The IC FAN7602B from FAIRCHILD is equipped with features which enables a fail proof and an efficient SMPS circuit design…
electronic devices 6 min read
Simple Room Air Ionizer and Purifier
Urban modernization has resulted in a huge depletion of naturally created ions that are good for health. The simple air…