Making a LED Message Display with Keyboard Interface
LED signage has become the choice in modern days to convey message to visitors of a venue. Be it corporate office, shops, restaurants or any kind of social functions like marriages. Some big and...
View ArticleFastest Finger First Quiz Project using ATmega16
Most of you must have watched quiz games in TV shows or at your schools where few contestants are required to press a switch if they know the answer to the question. An electronic system is required to...
View ArticleAn AVR microcontroller based Ethernet device
Ethernet has traditionally been a quite complex interface. All Ethernet chips until today had 100 pins or more, where difficult to find in small quantities and difficult to use from a small...
View ArticleIntroduction to Arduino UNO (uses AVR ATmega328)
Overview Arduino is an Open Source embedded development platform which is easy-to-use. It comprises of Hardware boards and Software tools. Examples of some of the most popular Arduino Hardware boards...
View ArticleMake your own AVR JTAG debugger
Tired of putting LEDs every time you want to check some value in the microcontroller? Well, its time to build yourself a debugger. A debugger is a device which helps you run through your code in the...
View ArticleHow to drive 595 shift registers with AVR hardware SPI
Driving a shift register using an AVR chip’s built-in hardware is really quite easy. Most of their offerings have an SPI module, or Serial Peripheral Interface. A shift register is exactly that, a...
View ArticleHow to make an Arduino Pro Mini bare bones with Real-time Clock
Recapitulation One thing I didn’t find clearly over the internet is how to make an Arduino Pro Mini bare bones, that is, from the scratch, and how to make one on the breadboard. This is really useful...
View ArticleAnalogue to Digital Conversion on an ATmega168
Many AVR microcontrollers are capable of doing Analogue to Digital Conversion. The ATmega168 has 6 ports (8 ports on the SMD packages) that can be used for analogue input. This tutorial shows you how....
View ArticlePIR motion sensor interface with AVR-microcontroller ATMEGA32
Passive Infra red sensor also known as PIR sensors is capable of detecting motion or movement within a certain range. These type of sensors have wide range of applications in our daily life and it is...
View ArticleInput Devices
Measure something: add a sensor to a microcontroller board that you have designed and read it. This week I decided to make ATMEGA 328 board. ATMEGA 328 Some of the Features of ATMEGA 328 are 1.8-5.5V...
View ArticleThe simplest digital voltmeter with AVR
This is probably the simplest possible digital voltmeter with Atmel AVR microcontroller. The circuit is controlled by a microprocessor IO1 – Atmel AVR ATmega8 (ATmega8, ATmega8L), a program to download...
View ArticleConfiguring and using XBEE wireless modules
Xbees are some of the most powerful wireless modules you can find and they’re also very easy to configure and use. The only thing is they cost about Rs.1000 to Rs.2500 depending on the range and other...
View ArticleNokia5110 graphical display interfacing with AVR ATmega16/ATmega32
Introduction Nokia5110 is a graphical display that can display text, images and various patterns. It has a resolution of 48×84 and comes with a backlight. It uses SPI communication to communicate with...
View ArticleMicro-controller Programming on a Bread Board
In playing around with DIY electronics, Pugs has developed enough confidence to share his knowledge with his juniors. So, in one such occasion, he decided to give a try to program a micro-controller,...
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100mA Ammeter using AVR Microcontroller
In this project we are going to make a low range ammeter using ATMEGA8 microcontroller. In ATMEGA8, we are going use 10bit ADC (Analog to Digital Conversion) feature to do this. Although we have few...
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Joystick Interfacing with AVR Microcontroller
In this tutorial we are going to interface a joystick module with atmega8 microcontroller. A JOY STICK is an input module used for communication. It basically makes easy the user machine communication....
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4×4 Keypad Interfacing with ATmega32 Microcontroller
In this tutorial we are going to interface a 4×4 (16 key) keypad with ATMEGA32A microcontroller. We know that keypad is one of the most important input devices used in electronics projects. Keypad is...
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RFID Based Voting Machine
We know in offices, shopping malls and in many other places where only the person with authorization card is allowed to enter the room. These systems use RFID communication system. RFID is used in...
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RFID Based Toll Plaza System
We know in offices, shopping malls and in many other places where only the person with authorization card is allowed to enter the room. These systems use RFID communication system. RFID is used in...
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Microcontroller Based Electronic Voting Machine
Whenever we go to vote for elections we come to see electronic voting machines. In this project we are going to design and develop a simple voting machine by using ATmega32A microcontroller. Although...
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