interface LCD in 4 bit mode

How to interface LCD in 4 bit mode with AVR microcontroller using atmega

This article explains interfacing of LCD with ATmega16 using 4-bit mode. In this mode only four pins are used for sending data and command instructions. This mode has the advantage over the 8-bit mode as it uses less number of pins. The remaining pins of the controller are available for normal use. The Data or command is sent in …

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Display custom characters on LCD

Display custom characters on LCD using AVR Microcontroller (ATmega16)

This is the most interesting article to play with LCD. After going through the article, you can create any character/symbol which cannot be created using the ASCII values for example smiley. You can even create small games. Conventionally 16X2 LCD is use to display text or numerical values. It is possible to display special characters, your …

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display text on 16x2 LCD

How to display text on 16×2 LCD using AVR microcontroller (ATmega16)

This article is in continuation to the article Single character LCD display using AVR. The aforesaid article shows how to display a single letter on LCD. Moving forward towards learning to work with LCD, this article explains how to display a string on LCD. Displaying string is occasionally used in many applications. The connection of the LCD …

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Fingerprint Detection

Fingerprint Detection using Microcontroller Using Atmega

REQUIREMENTS: AtMega 16 Microcontroller (development board) Fingerprint scanner module (R305) 16X2 Alphanumeric LCD (for user display) DESCRIPTION: In today’s secure world biometric safety is on the top. Unlike other techniques which make use of passwords and numbers, that are needed to be remembered, biometric techniques make use of human body parts like fingerprints or even …

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Un interruptible Bench top DC Power Supply With Display

Un-interruptible Bench-top DC Power Supply With Display Using Atmega

This tutorial explains how to make your own power supply unit for all your electronics andembedded system experiments. It also has a backup battery which will be used in case of power cuts and a display. Components Required 1.     SLA 12V battery 2.     Banana Jack connectors female (2 pairs each) 3.     Screw Terminals (1 pair) 4.     SPST switch …

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Coin Operated Timer Control Power Supply Box

Coin Operated Timer Control Power Supply Box to Control AC Appliances Using Atmega

Saving electricity is a major concern for domestic and industrial units. We always try hard to save electricity in many ways to reduce our electricity bills, but due to some known and unforeseen circumstances our efforts do not normally transform in saving electricity. Adding to our woes we may at times forget to switch off …

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Variable Power Supply

Variable Power Supply with LCD Using Atmega

Are you an electronic hobbyist? Then an adjustable power supply is a must for your various needs. This project explains how to make a LM317 based adjustable power supply unit with a digital display. Components Required 1.     LM317 IC 2.     Resistor – 240 Ohms 3.     Capacitors – 0.1uF, 10uF 4.     Potentiometer – 5k 5.     30V/1A Adapter (or a …

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4 Wire Touch Screen Based Digital Magic Slate

4 Wire Touch Screen Based Digital Magic Slate Using Atmega

Ever played with magic slates in your childhood? Well this project will show you how to make a digital magic slate using a PC, a touch screen and few other components. Components Required      1.      4-wire resistive touch screen with connector      2.      ATMega16 development board with 16MHz      3.      4 X 10kohms Resistor      4.      Serial to USB …

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embRACE The Embedded Race

embRACE: The Embedded Race Using Atmega

embRACE, a game developed on the embedded platform, entirely coded in assembly language. The game has been programmed on an ATMega16 micro-controller, interfaced with a 16×2 LCD display module. The game possesses an interactive user interface and exclusive features like: -Main Menu -Pause Menu -Real Time Score display -Life Indicator LEDs -Non-volatile High Score storage …

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Interfacing 4 wire Resistive Touchscreen with ATMega16 Microcontroller

Interfacing 4-wire Resistive Touchscreen with ATMega16 Microcontroller

Touch screens are two dimensional input devices. Nowadays most of the electronic gadgets use them. Laptops, smart phones, tablets and even some home appliances like washing machines & microwave ovens also use a touch screen nowadays. Why Touch screens? Touch screens are preferred over keypads because they need very little or no pressure to operate whereas …

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