Interfacing 16×2 LCD with 8051

admin May 22, 2017 32 Comments
LCD display is an inevitable part in almost all embedded projects and this article is about interfacing a 16×2 LCD with 8051 microcontroller. Many guys find it hard to interface LCD module with the 8051 but the fact is...
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8 channel light chaser using 8051

admin June 5, 2012 10 Comments
6 function 8 channel light chaser using 8051. A 6 function 8 channel light chaser using 8051 is shown here. The hardware and software of this circuit are very simple and the light functions gets repeated one after another...
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Blinking LED using 8051

admin June 5, 2012 6 Comments
Blinking 1 LED using 8051 This is the first project regarding 8051 and of course one of the simplest, blinking LED using 8051. The microcontroller used here is AT89S51 In the circuit, push button switch S1, capacitor C3 and...
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4 Books to Learn 8051 Microcontroller

jojo March 25, 2014 10 Comments
Hello friends, it has been a while since I published here. This article is for students and hobbyists who are interested in playing with microcontrollers. I thought of introducing you to a handful of cool and really useful books...
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Push pull amplifier

admin May 2, 2012 22 Comments
A push pull amplifier is an amplifier which has an output stage that can drive a current in either direction through through the load. The output stage of a typical push pull amplifier consists of of two identical BJTs...
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Working with MPLAB IDE

Anish June 5, 2012 No Comments
Introduction to MPLAB IDE – What is it and how to install it? The above link takes you to the article about introduction to MPLAB IDE, in case if you have missed it. Having installed MPLAB IDE and one...
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Introduction to MPLAB IDE

Anish June 5, 2012 No Comments
Similar to Atmel’s AVR studio, Microchip MPLAB is a feature rich IDE which integrates compiler tool-chains into the IDE itself and also supports proprietary programming devices and debuggers for the Microchip’s Controller family. Just if you have a microchip...
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4 Great Books to Learn Basic Electronics

jojo June 14, 2016 85 Comments
For the last 3 years or so, we have been providing great educational content on electronics for free through this website. We have hundreds of circuits and theoretical articles on various topics which you can freely use to learn....
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Frequency counter circuit

Mathew Kevin July 10, 2017 1 Comment
Simple Frequency Counter You may have already seen various projects over many websites named Frequency counter, Digital Frequency Counter etc. I’m posting just another of them. Showing the use of timer/counter of AVR micro controller (Atmega8) in one of...
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Standard Library & String Formatting for AVR

Mathew Kevin July 10, 2017 4 Comments
Here in this article, I am planning to brief you through the Standard library of AVR-GCC. By the term “Standard Library” we mean the “Standard header” files like “stdio.h”, we commonly see in C programming language. Have you ever...
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LCD Interfacing with AVR

Mathew Kevin July 10, 2017 13 Comments
Interfacing LCD Display in 8bit Mode I’ve already discussed about the LCD display in a note here in this website. You can read the Note on character LCD Display here. Now let us come to the interfacing side of...
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Timers and Interrupts (PIC16F84A)

Anish June 5, 2012 1 Comment
Timer Module: A Timer is a simple module included along with almost most of the microcontrollers. A timer can be used as a timer/counter. The size of the timer varies from controller to controller. The PIC16F84A has one 8...
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Voltage Regulator Circuit-The Big List

jojo April 2, 2012 7 Comments
Over years we have published a handful of voltage regulator circuits in this website – which serve many purposes. In this article I am compiling a quick list of the best voltage regulator circuits that will be useful for...
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Half adder

admin March 29, 2012 15 Comments
Half adder circuit. To understand what is a half adder you need to know what is an adder first. Adder circuit is a combinational digital circuit that is used for adding two numbers. A typical adder circuit produces a...
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FM Transmitter Circuits-The BIG List

jojo March 28, 2012 9 Comments
Over years we have developed a number of FM transmitter circuits with various aspects. Today I thought of listing all of them here as a single web page, so any one can easily navigate through all the radio transmitter...
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7 segment display driver

admin March 27, 2012 8 Comments
7 segment display. Seven segment display is a device that can display decimal numbers and are widely used in electronic clocks, electronic meters, digital display panels and a hand full of  applications where numerical data is  is displayed. The...
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Types of DC Generators

jojo March 22, 2012 10 Comments
“Energy can be converted from one form to other form” – A generator does the same – it converts mechanical energy to electrical energy. Mechanical energy can be  created by using water turbines, steam turbines, internal combustion engines etc....
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The History of Electronics-Infographics

jojo March 16, 2012 9 Comments
Hey guys, Ever thought how the world as we see it now evolved? How came great inventions and discoveries? What were the reasons behind all these great inventions like Diodes, Transistors, IC”s and Micro computers? Here we have developed...
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Ripple carry adder

admin March 29, 2012 6 Comments
Ripple carry adder circuit. Multiple full adder circuits can be cascaded in parallel to add an N-bit number. For an N- bit parallel adder, there must be N number of full adder circuits. A ripple carry adder is a logic circuit...
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Cascode amplifier

admin March 13, 2012 1 Comment
Cascode amplifier is a two stage circuit consisting of a transconductance amplifier followed by a buffer amplifier. The word “cascode” was originated from the phrase “cascade to cathode”. This circuit have a lot of advantages over the single stage...
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