Posted inelectronic devices
Build a Versatile Frequency Meter For Your Workbench
The frequency meters available in the market are generally too costly and sophisticated. For new…
Posted inelectronic devices
Make a Useful BreakDown Beacon – “Police Lights”
A beacon light similar to flashing police lights can be specifically handy during a vehicle…
Posted inelectronic devices
Types, Working Principle of Hall Effect Ics
Hall Effect sensors are miniature SMD ICs based on CMOS technology which are able to…
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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…
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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…
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Simple Example Circuits for the LM386 IC Audio Amplifier
You may find this circuit idea very handy particularly while making small projects involving low…
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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…
Posted inelectronic devices
Embedded Systems Explored – Theory and Concepts
An embedded system is a combination of hardware and software, and perhaps additional mechanical or…