Radial Chalker Using Atmel Atmega32

Dec 15, 2014 by

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...

Stationary Helicopter Using Atmel Mega32

Nov 10, 2014 by

Intro Summary Thinking about what a CDE (culminating design experience) should be, we devised a project that combines the microcontroller programming principles learned...

Stepper Motor Indexer & Decoder ECE 476 Using ATmega32

Oct 16, 2014 by

1. Introduction For our final project we built an ATmega32 based stepper motor controller which measures the angular position of the motor shaft using an optical encoder...

The Rotating Globe Using Atmel Mega163

Aug 19, 2014 by

Introduction For years scientists and scholars alike have been plagued by one common obstacle which, until now, has proven to be impossible to overcome.  How do you...

Fertilizer Feed Rate Controller

Aug 5, 2014 by

Abstract For a final project for EE 476 at Cornell University under the instruction of Bruce Land I designed and built a fertilizer flow rate control unit tailored to...

Servo motor control using Atmega8 microcontroller

Feb 20, 2013 by

Servo motors are so called “closed feedback” systems. This means that motor comes with control circuit, which senses if motor mechanism is in desired location and if...

Measuring motor speed and display result on LCD using ATmega8 microcontroller

Feb 14, 2013 by

For measuring motos speed there can Optical interrupter used like H21A1. This is a device where IR LED and photo-transistor is coupled in to plastic housing. The gap...

How to control Stepper Motor using AT89C51 Microcontroller

Jan 2, 2013 by

As explained in earlier article, Stepper motor is operated by energizing the stator coils in an ordered sequence. When the input sequence of signal is applied to the...

DC Servomotor Controller System Meter using ATtiny2313 microcontroller

Nov 12, 2012 by

The ATtiny2313-based project is an experiment on the closed loop DC servomotor control system (SMC) by Elm Chan. It can be used for practical use with/without some...

Electric Spinning Wheel using ATmega8 microcontroller

Nov 9, 2012 by

The Electric Eel Wheel is a smart electric spinning wheel which helps you spinning the fiber of your choice into yarn easily instead of traditional wheel. This Electric...

2 Bit u Stepper using microcontroller

Nov 7, 2012 by

This is the second stepper motor driver circuit I build. The first one had 4 linear current sources and got so hot it was barely usable. It had some cool leds though....

Drive a Stepper Motor with an AVR Microprocessor using ATTiny2313 microcontrolle...

Jun 23, 2012 by

Got some scavenged stepper motors from printers/disk drives/etc lying around? Some probing with an ohmeter, followed by some simple driver code on your microprocessor...

Servo Controlled Labyrinth using Microcontroller ATmega32

Jun 18, 2012 by

Do you know this classic wooden labyrinth game with two knobs for X and Y rotation? So, I’ve decided to modify one by connecting two standard servos to the knobs...

Stepper motor Driver Using AT2313 microcontroller

Jun 13, 2012 by

Description With this circuit you can drive a unipolar stepper motor. It operates in full step mode. You can get a stepper motor from an old 5.25 disk drive. The AVR...

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