Resistors, Volt and Current In this article we will study the most basic component in electronics, the resistor and its interaction with the voltage difference across it and the electric current passing through it.You will learn how to analyze simple resistor networks using nodal analysis rules. This article also shows how special resistors can be used as light and temperature sensors and more...

Transistor switches This tutorial describes in detail all the mathematical, theoretical and practical aspects of transistor switches, enabling you to build reliable transistor circuits. Many example applications are given using the 2N2222 NPN transistor.

Counting type ADCs In this article, we will discuss a very common type of digital to analog converters called the counting type ADC. This article presents a technique of building ADCs that you can use to learn and master the process of analog to digital conversion, but also use it in many of you projects, adding an incredible feature to basic microcontrollers like the 8051 that don't have integrated ADCs..

Build your first simple DAC This article aims to introduce to beginners and intermediate readers a simple solution to build a digital to analog converter, based on the famous r/2r resistors network. This tutorial also discuss a problem encountered by many amateurs while trying to build their own DAC, and propses a very simple solution to that problem.

Switch de-bouncing circuits When a switch is operated by a human like a push button, or is operated by a machine like limit switches, spikes of low and high voltages will always occur across that switch resulting into a series of High and Low signals that can by interpreted by a digital circuit as more that one pulse instead of one clean pulse or transition from a logic state to another. This tutorial deals with this issue.

Project Housing Ideas [.: picture gallery :.] The ever last problem you will encounter when assembling your project is finding a good, cheap and available housing solution to encapsulate your project. Sometimes, this is the cutting edge that will make you're project look neater, distinguish it by the way it is finished or perhaps it will protect it and make it a useful product...

Schematics

Uninterruptible Power supply (UPS) Simple battery monitor Voltage inverter using the 555 IC Analog to digital converter (Flash type)

Related downloads

	ExpressPCB Custom components.zip [312 downloads]
	Posted by: ikalogic Express PCB is a very simple schematic and PCB design software. Its strenght is its simplicity. It is freeware and you can download the last version at (http://www.expresspcb.com). It is even more interesting to use this software, as all the content on this site is made using ExpressPCB. The following file is library of custom components that's I've added to the library. To install them extract the content of this zip file to the intallation folder of epxressPCB.

	555designer.zip [311 downloads]
	Posted by: ikalogic This program will assist you to deign 555 timer based circuits, providing schematics with the values of the resistors and capacitors corresponding to the timings to be generated. This very famous and very usful software can be found everywhere on the net. however, I provide it on ikalogic, to make sure all my visitors benifit from it

Suggest other interesting FREE downloads.

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Reviewed related books & kits

Electronic Devices, Thomas L. Floyd "Floyd is well known for straightforward, understandable explanations" Amazon reviewers say, and I agree with him as I bought this book from a couple of years and made it my first choice reference each time I needed quick electronics help and advices... This book is a complete reference that covers all the aspects of electronics, and I believe it's a must for every electronics engineer.

300-In-One Project Lab Kit I bought this kit years ago, when I was starting in the field of engineering, and although it is suitable for children to play with, its 300 projects are very instructive for the engineering student I was. The given book explains how to assemble and build all the 300 projects, while covering most aspects of the theoretical side of electronics in a nice and simple fashion. I believe that it is a great learning tool and that it helped me a lot in the beginning to imagine and feel the electronics...

Suggest another interesting book.