Interfacing dot matrix LED display to 8051

admin November 13, 2013 15 Comments
Interfacing dot matrix LED display to 8051 microcontroller. LED dot matrix display. An LED dot matrix display consists of a matrix of  LED’s arranged in a rectangular configuration. The desired character or graphics can be displayed by switching ON...
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Object counter using 8051

admin October 16, 2013 13 Comments
Object counter using 8051 microcontroller. This article is about a simple object counter/visitor counter using 8051 microcontroller . AT89S51 belonging to the 8051 family is the microcontroller used here. This circuit can count the number of objects passing across...
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Shockley Diode – Invention History

john October 2, 2013 No Comments
What is a Schockley Diode? In simple terms, a Shockley diode is a four layered semiconductor diode. In electronic terms, it is a “P-N-P-N” diode and is equivalent to a thyristor with a disconnected gate. Though this basic diode...
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Introduction to MATLAB Tutorial

Avaneet Ranjan September 2, 2013 11 Comments
In this article, we are giving an introduction to MATLAB. This article is part of a tutorial series we are developing for MATLAB. We hope you to give us feedback, so that we can improve our MATLAB tutorial series....
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Taking Down Forums in CircuitsToday

jojo August 27, 2013 2 Comments
Hi Friends,  2 years before, we have launched Forums in CircuitsToday with great expectations. However due to lack of time on our side, we failed to monitor the forums properly. Above all the software we bought to power forums...
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Pulse Width Modulation – What is it?

Anish August 17, 2013 5 Comments
The good definition of Pulse Width Modulation (PWM) is in the name itself. It means modulating/varying the width of the pulse (Not the frequency). To best understand what PWM is, let us first see some basic terminologies. Microcontrollers are...
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