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Simple Single Motor Control using AVR ATmega16

Microcontrollers are good when it comes to brain, but to do anything in real world they need muscles too ! Their muscles are electromechanical actuators like motors. Their are several types of motor available to do various type of motion. The simplest of them are DC motors. They can generate rotary motion and when wheels are attached to their shaft they can be used to move a body. Applications include motio ...

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AVR Dual RGB Matrix Driver

Multiplexing LEDs can be tricky, but we're working with RGB LEDs, so think of each RGB as three individual LEDs. For an 8 x 8 matrix, that is 192 total LEDs on a single matrix. Even though there are only 32 connection pins, it is still possible to individually control the color and brightness of every single LED. Take a look at this diagram from the datasheet for the RGB Matrix I am using.You should see tha ...

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AVR Chronograph from concept to PCB

A chronograph is a device used to measure the speed of a passing object.  In it's simplest form, this involves two sensors of some kind that 'see' the object, some device that can measure time, and some output to deliver the data to the user. In this instructable, I'll be showing how I designed, programmed, and built a device like this with a couple extra handy features to make it more versatile than the on ...

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Attendance System using AVR and RFID

This project aims to automate the process of taking attendance on pen and paper and prevent any fraudulent entry. It uses RFID tags to record attendance. Each student is assigned a unique tag, which he/she is required to swipe over the reader to give his/her attendance. This system benefits both the teacher and student as its quick and hassle free. This setup can be used in any educational institution regar ...

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Smart Home Automation using AVR

in this technological world, automatic systems are being preferred over manual system. In this series Home Automation plays an important role for humans. In this unit we talk about basic needs to understand the project well and also for its future advancements. We are going to talk about different types of sensors (i.e. Temperature Sensor, LPG Gas Sensor, LDR) and input and output devices (i.e. 2x2 matrix K ...

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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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Latitude & Longitude Display System Using GPS & AVR Microcontroller

This project is a reference to budding engineers or a helping hand to those who willing to work and interface a GPS Receiver with microcontrollerand making their own channel to communicate with satellite, seeking for some useful information from satellite to make a effective and efficient system. Before we check all the details of this project, here is the final implemented circuit diagram of longitude and ...

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