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DC Motor Control with Joystick & AVR Microcontroller

In many of the applications it is required to alter the direction of DC motor instantly. Like in washing machine, mixer, drilling machine winding – rewinding machine etc. Changing the direction of DC motor using joystick is most suitable and handy method. Joystick Control for DC motor is mostly used in different Robotic applications like ·         Moving robotic hand up and down ·         Rotating robotic a ...

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Stepper Motor Angle Control using AVR Microcontroller

There are many applications in which it is required to set the position of an object at a desire angle. Some of the examples are 1.      Satellite Dish Antenna positioning  The Satellite Dish Antenna should be in straight alignment with Satellite in Space to receive signal with maximum strength. So it’s required to position the Dish Antenna at a certain angle 2.      Aileron, Elevator and Rudder positioning ...

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Controlling a BLDC Motor with an ESC

REQUIREMENTS: Microcontroller (AtMega 16) A Brushless DC motor (BLDC) An Electronic Speed Controller (ESC) Power source to drive the motor (LiPo battery)   DESCRIPTION: Brushless motors have much more satisfying results as compared to brushed motors. The basic difference between them is that in a brushless motor, the rotor itself contains the permanent magnets and the electromagnets move to the stator ...

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How to interface Servo Motor with AVR Microcontroller (ATmega16)

Servo motors find huge applications in industries in the field of automation, control & robotics. The servo motors are well known for their precise control and work on the principle of servo mechanism. The servo motors can be made to run at precise angle using PWM. The PWM (pulse width modulation) is the basic working principle behind a servo motor (For more details about PWM refer Phase correct PWM mod ...

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A Portable, Automated, web-based Bird Trapping Mechanism Using Atmega644

Background We designed and implemented an automated, portable bird-trapping mechanism, along with an associated system which is scalable Every year between early May and mid-June large amounts of tree swallows migrate to Ithaca, NY area to mate. The study of these birds invariably require a large number of specimens to be captured for purposes such as sample-taking, banding and measurements. The current met ...

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BalanceBot Using Atmega644

Introduction The Balance Bot is a singular axis self balancing robot that is capable of adjusting itself to changes in weight and position. We developed the Balance Bot (BB or B2) from a single servo and a single accelerometer. This was very much a proof of concept to show the capabilities of the ATMega644 in doing PID loops even with limited accuracy in position readings. The parts and cost for this projec ...

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Radial Chalker Using Atmel Atmega32

Introduction We developed a new way for student groups to chalk advertisements for events. This project is a radial printing device for drawing with chalk/markers on flat surfaces. High-Level Design dea Rationale and Sources Anyone who has done any sidewalk chalking knows that it is one of the few tasks that humans were not designed to do well. Fingers, backs and legs get cramped. Chalk gets all over clothe ...

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