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SMS Based Voting System – AVR GSM Project using ATmega32 microcontroller

Hi friends ! Here I am showing a microcontroller based project called the "GSM Based Voting System". Using this system you can ask your users to vote for any of the four options. Four available options are identified by a letters 'A', 'B', 'C' and 'D'. User can vote for any option by sending a text message to the mobile number. For example if you want to create a poll like this. Which is your favorite phone ...

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AVR Based Mobile Phone using AVR ATmega128A microcontroller

AvrPhone is ATmega128A-based simple mobile phone with touch screen and SIM100S GSM module. The display uses 2,4″ LCD with a resistive touch screen and ILI9325B driver (16 bit parallel bus). The LCD breakout board contains SD card slot and XPT2046 touchscreen controller. They both are connected to AVR’s SPI bus. The project is powered by 3.7V/1000mAh Li-Po cell. The user interface provides way to make and re ...

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Advance Fire Alarm through Mobile Phone using microcontroller

An automatic fire  alarm system is designed to detect  the unwanted presence  of  fire  by monitoring  environmental  changes  associated  with combustion.  In  general,  a  fire alarm  system  is  classified  as  either automatically  actuated,  manually  actuated,  or both. Automatic  fire  alarm systems  are  intended  to  notify  the  building  occupants  to  evacuate  in  the event  of  a  fire  or  ot ...

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Cellphone controlled robot vehicle using ATmega16 microcontroller

When we talk about wireless robot vehicles, we usually think about the RF circuits. But this project is different. It uses a mobile phone to control the motion of a robotic vehicle, and therefore, the range of operation is as large as the coverage area of the service provider. The project is based on an ATmega16 microcontroller that is interfaced to the mobile phone through a MT8870 IC, which is a DTMF to B ...

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AVR displays body temperature on a Nokia 3310 LCD using Atmega8 microcontroller

This project describes how to measure temperature with Atmega8 and a thermistor and display it on a Nokia 3310 LCD. A thermistor is a device that changes its resistance with temperature. With a proper resistor divider network, the temperature can be measured by measuring the voltage across the thermistor. The voltage across the thermistor is measured by the on-chip ADC of Atmega8. The necessary coefficients ...

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Interface a rotary phone dial to an Arduino

An old rotary phone can be used for a number of purposes in your Arduino projects - use it as a novel input device, or use the Arduino to interface a rotary phone to your computer. This is a very basic guide describing how to interface the dial to an Arduino, and get the number dialed passed into a computer over the Arduino's serial link. Step 1 Remove the dial from the phone First step is to remove the dia ...

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Wi-Fi Enabled Coil Gun with iPhone App

We’ve covered loads of airsoft, nerf, and gun projects, and here’s another superb pr0ject to add to our collection.  It’s a coil gun placed on a turret which is triggered via Wi-Fi.   Additionally, it uses remote targeting and shooting through an iPhone, iPod Touch or iPad. Don’t Miss: Our collection of airsoft and gun projects It was built by a few engineering students for their final project.  A video cam ...

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