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ATmega Alarm Clock & Thermometer Humidity meter

First, let me introduce you my project. I made an Alarm clock with extended functionality & thermometer and humiditymeter. Everything started when my friend (who used to bring me some old electronic rubbish and I used to check if there's not something useful) brought me some cashing register display similar like that. When I first see them I knew that I will made from it alarm clock. I'm programmer and ...

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Digital Thermometer using AVR, LM35 and 16×2 LCD

Thermometers are the device we use to measure the temperature in any desired scale and we all will be quite familiar with the analog thermometers. There are some disadvantages in analog thermometers and this can be overcome by using this digital thermometer using avr. The above embedded system shows the design and implementation of a simple Digital Thermometer using Atmega16 (AVR),  LM35 & 16×2 LCD. LM3 ...

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AVR Serial Communication (UART) Programming tutorial

This tutorial focuses to teach you how to program AVR Serial Communication (UART). UART plays an important role in almost every embedded applications which we see in our day to life and hence it was considered to be very important concept in every Microcontroller. The above design demonstrates the usage of UART to send and receive data via hyperterminal as well display the received data in 1 16×2 LCD. As we ...

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Tutorial on printing image in Graphical LCD (GLCD) using Atmega32

Graphical LCD’s known as GLCD are display devices which are capable of displaying graphical images, customized characters, etc. This paves way for any system to present information to the end user by means of interactive graphics such as printing image. Bored of using the old 16×2 LCD displays, then you should probably try this one to make your projects more interactive. This tutorial focused to teach you a ...

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LCD Interface with Atmega32 AVR microcontoller for beginners

LCD’s are quite familiar module when comes interfacing with microcontrollers. We can find these display modules in plenty of instances where a specific info is need to be displayed for the viewers. This article explains LCD interface with Atmega32 a AVR family Microcontroller and display a message “Welcome Gadgetronicx” text in LCD. 16 x 2 LCD: 16×2 LCD, got its name since it contains 16 columns and two row ...

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Digital Clock using AVR Atmega16 Microcontroller

Digital clocks revolutionize the way we live our daily life as it helps people to stick with their schedule. This article will teach you to build your own Digital clock using DS1307 RTC Chip with Atmega16 microcontroller. As we all know that DS1307 is a simple real time clock chip which shows seconds,minute,hours,day,date and year. We have used a simple 16×2 LCD along with it to display all the data obtaine ...

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Door/Window alarm circuit

Door or Window alarm circuit have been used widely in many homes to detect intrusion. A simple search in internet might fetch you lot of alarms for you to buy. But making your own alarm will be something special and that’s the purpose of this article. For this article i have reverse engineered a window alarm gadget to obtain the schematic design.   COMPONENTS REQUIRED: Piezoelectric element Transistors Resi ...

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