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Microcontroller Hands-on Workshop #4 Ahmad Manshad New Mexico State University Institute of Electrical and Electronics Engineers November 14, 2009
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2 Agenda for Today Quick Review Freeduino motor controller Control servo motor Work on robot
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3 Today’s Kit 1.Arduino Microcontroller/ USB Cable 2.Breadboard 3.Wires 4.Soldering Iron w/ solder 5.Freeduino Motor Controller 6.DC Motors 7.Servo Motor 8.10K Potentiometer
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4 Quick Review - PWM PWM signal is a digital square wave where the fraction of the time the signal is on can be varied between 0 and 100%. Call analogWrite(pin, dutyCycle), where dutyCycle is a value from 0 to 255. Use one of the PWM pins (3, 5, 6, 9, 10, or 11).
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5 Quick Review - Motors Electromechanical device that converts electrical energy to mechanical energy
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6 Quick Review - Motor Controller Control 2 motors from your Arduino SN754410NE motor driver Board and Arduino pinout: Motor A Direction - Arduino Digital pin 13 Motor A Speed (PWM) - Arduino Digital pin 10 Motor B Direction - Arduino Digital pin 12 Motor B Speed (PWM) - Arduino Digital pin 9
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7 Continue assembling Motor Controller GO TO: WWW.GOOGLE.COM TYPE: FREEDUINO MOTOR CLICK ON THE FIRST LINK CLICK THE LINK: “THIS GUIDE” Or Type the following in the address bar: http://mcukits.com/2009/03/12/assembling-the-freeduino- arduino-motor-shield/
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8 Controlling Servo Motor For Code: File -> Examples -> Servo -> Knob
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9 Robot Design Discuss Robot Plans with Team Members!
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10 Robot Teams Team A Benna BelfedalTaeho HongJezreel Bassett Team B Alynna MontoyaAdrian OntiverosErika Urena Team C Kevin ThompsonAdriana AquinoUgochukwu Ogbue Team D Luke SalazarRoman SalazarRoushan Rustamov Team E Ernesto GonzalezAngel Alarcon Team F Jonathan HavstadMichael Scoggin Team G Veerendia ModiChandana TatineniVineet Nair
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11 Questions or Comments?
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