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How to Interface a GSM (SIM 300) Modem with ATmega32 to Send and Receive SMS

What is a GSM Modem? GSM stands for Global System for Mobile Communications.It is a standard set developed by the EuropeanTelecommunications Standards Institute (ETSI) to describe protocols for second generation (2G) digital cellular networks used by mobilephones. A Modem is a device which modulates and demodulates signals as required to meet the communication requirements.It modulates an analog carrier sig ...

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AVR I/O Ports

AVR microcontrollers are the advanced microcontrollers. From 1996 onwards these are come into existence. In AVR family there are so many controllers are available. Mainly the AVR family is sub grouped as ATmega, ATtiny, Xmega, UC3, SAM3 and SAM4. In these form 8 to 32 bit controllers are available. All the controllers having some common and some different features, those are coming to common features all ar ...

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embRACE: The Embedded Race

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 16x2 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 The LCD display uses custom LCD char ...

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Interfacing Triple-Axis Accelerometer with AtMega16

Requirements AtMega 16 IC/development board 3-Axis accelerometer LCD screen 16X2 (for displaying X, Y and Z data) Description This project makes use of three out of the eight ADCs present in AtMega16 IC to display the corresponding digital data of X, Y and Z outputs of an accelerometer on 16X2 LCD. Accelerometer First let’s talk about the Accelerometer IC; here I have used ADXL-335 which is a 3-axis acceler ...

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DIY – Waveform Generator using AVR Microcontroller

To interface 8-bit DAC with AVR microcontroller ATMega32 and generate different waveforms like Square Wave, Sine Wave, Triangular Wave, Staircase Wave and Saw-tooth Wave. Instruments ·         AVR Development Board ·         ADC – DAC card ·         Digital Storage Oscilloscope (DSO) ·         Power Supply Apparatus ·         Connecting Wires ·         CRO Probes ·         General purpose PCB Components ·   ...

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How to use inbuilt ADC of AVR microcontroller (ATmega16)

Microcontroller understands only digital language. However, the inputs available from the environment to the microcontroller are mostly analog in nature, i.e., they vary continuously with time. In order to understand the inputs by the digital processor, a device called Analog to Digital Converter (ADC) is used. As the name suggests this peripheral gathers the analog information supplied from the environment ...

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Serial communication (Data receive) using AVR Microcontroller (ATmega16) USART

Communication between two entities is important for the information flow to take place. In general the information transport system can be parallel in which the complete byte of data is sent at a time, with each bit having a separate dedicated line or it can be serial where only one communication line is available which is shared by all the bits sequentially. The pros and cons of these two systems are equiv ...

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