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AVR Microcontroller Projects

AVR microcontroller projects: This section of EG Labs has interesting microcontroller projects based on AVR microcontrollers. These AVR projects can serve as a good reference for final year electronics engineering projects and other hobby purposes.
Latest Projects

The aim of the project is to make a portable LED display from SMD LEDs and to display the custom programmed patterns at our command. The core application of the project is to act as a portable display for event organisers or exhibitionists or consultants to make announcements at their mobile facilities. This can also be used as a novelty item in a showcase.

This project is demonstrated by giving an overview of what are the peripherals or hardware used and how it is initialised and used.

This project demonstrates how any device or object can be positioned to desired angle. The circuit presented here demonstrates how to position Stepper Motor at a specific Angle using AVR microcontroller. The desired Angle Position is entered by user and when He presses the button to rotate motor, the motor starts rotating and rotates till it reaches that angle. The angle can be entered in step of 15o between 0o to 360o. User can increment or decrement angle value in step of 15o and set the desire angle. Based on set angle motor rotates forward (CCW) or reverse (CW). Like if current motor angle is 60o and user enters 90o then motor rotates CCW and if user enters 30o motor rotates CW.

The circuit presented here demonstrates how to generate Audible Frequency from an AVR Microcontroller. The output of Microcontroller is always digital so to generate audible sound at the outset first it needs to be converted into Analog. A DAC (Digital to Analog Converter) is used for this purpose. Microcontroller generates sine wave of Audible Frequency using DAC. This sine wave is further given to Audio Amplifier that drives speaker. Microcontroller generates sine wave of fix frequency continuously. So we can hear an audible tone of fix frequency

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