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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Piccolo – The ‘Sketching’ Robot

john March 6, 2012 5 Comments
Piccolo Piccolo can be said as the perfect companion for a graphic designer or an engineer as it helps him to sketch his creativity. Piccolo is a small pocket sized robot which uses servo mechanism for developing and deploying...
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Flip Flop Conversion

john March 7, 2012 58 Comments
For the conversion of one flip flop to another, a combinational circuit has to be designed first. If a JK Flip Flop is required, the inputs are given to the combinational circuit and the output of the combinational circuit...
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A Note on Character LCD Displays

Mathew Kevin July 10, 2017 15 Comments
There are many display devices used by the hobbyists. LCD displays are one of the most sophisticated display devices used by them. Once you learn how to interface it, it will be the easiest and very reliable output device...
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The Single Atom Transistor Concept

john February 24, 2012 3 Comments
Worlds Smallest Single Atom Transistor A group of researchers including Michelle Simmons and her colleagues developed a single phosphorus atom transistor using a Scanning Tunneling Microscope (STM) at the University of New South Wales. The 3-dimensional perspective of the...
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Log amplifier

admin February 24, 2012 6 Comments
Log amplifier. Log amplifier is a linear circuit in which the output voltage will be a constant times the natural logarithm of the input. The basic output equation of a log amplifier is v Vout = K ln (Vin/Vref);...
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Audio oscillator circuit

admin February 22, 2012 12 Comments
ICL 8038 waveform generator. ICL8038 is a monolithic waveform generator IC that can produce sine, square and triangular waveforms with very little distortion. The frequency can be programmed from 0.001Hz to 300 KHz using external timing capacitor and resistor....
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Arduino (For beginners)

Anish February 4, 2016 13 Comments
We have developed this article as a beginners guide for Arduino.  We have compiled many of our arduino articles to help you understand the board better and begin your first serious project using Arduino. So let’s begin. Ever thought...
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Stereo headphone amplifier

admin February 16, 2012 8 Comments
LM4910 stereo headphone amplifier. LM4910 belonging to the Boomer series of National Semiconductors is an integrated stereo amplifier primarily intended for stereo headphone applications. The IC can be operated from 3.3V ans its can deliver 0.35mW output power into a...
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