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Interfacing GSM Module with Atmega32 AVR microcontroller

GSM (Global System for Mobile Communication) technology lets user to communicate with others across mobile networks hence it offers a vast area of coverage. Interfacing GSM technology with microcontroller will enable us to extend the communication to cover large area. This tutorial will teach you about interfacing GSM module with atmega32 AVR microcontroller and program it to communicate it with another use ...

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Weeks 11-12: AVR USB Devices and Programming

One of the relatively unexplored topics in this week’s lecture was USB, the ubiquitous protocol that allows computers to communicate with peripheral devices (containing microcontrollers). Creating a USB device allows any computer to talk to it without the specialized software and hardware we’ve been using so far. For these two weeks, I decided to understand the requirements to create USB-compatible device c ...

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How to fix dead atmega and attiny avr chips

Atmega fusebit doctor, as name says it, device for repairing dead Atmega and Attiny family AVRs by writing fabric fusebits. Most common mistakes or problems are a wrong clock source (CKSEL fusebits), disabled SPI programming (SPIEN fuse) or disabled reset pin (RSTDISBL fuse). This simple and cheap circuit will fix you uC in a fraction of a second. If in first case we can help ourself with clock generator, t ...

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Getting Started With the ATMega328P

In the Internet of Things movement, people across the globe are connecting their stuff – TVs, pets, even houseplants - to the internet and transmitting all sorts of data. If you’re going to be a part of that movement, or want to dabble in creative prototyping on a budget, it’s important to get to know our little friend: The ATMega. The real benefit of using this microcontroller is that it’s only $4 US, wher ...

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Interfacing Analog Joystick with AVR ATmega32

If you have played games on console you must be knowing what a joystick is. In games a joystick is generally used to control the motion of character or a vehicle (like plane or car). Joystick give a very realistic two dimensional control! Joystick are also used to control the motion of real objects like a robot or a car. Generally we want to control the back and forth motion of any object along with the abi ...

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Interfacing 16X2 LCD to AVR Microcontroller

  Well this is not different from the way interfacing the LCD to 8051 or PIC microcontroller. The crystal oscillator will provide the clock to the microcontroller. The capacitors connected to the crystal will act as filters and help the crystal to resonate and oscillates to its parallel resonate mode.  The potentiometer which is connected to the pin 3 and pin2 of LCD will help to adjust the contrast of the ...

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GSM Module SIM300 Interface with AVR Amega32

A GSM/GPRS Module like SIM300 can be used for any embedded application that requires a long range communication, like a robot in Chennai controlled by a person sitting in New Delhi! Or simply a water pump in a rice field turned on in the morning by a farmer sitting in his house few kilometers away! You have few communication options depending on the application, they may be as follows. Simple SMS based comm ...

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