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Read Me

This is my EMT (System Interface) project using Arduino Uno Board.

The robotic car will move forward in a straight line and to avoid obstacles by using Sonar/Infrared/Laser Sensor.


Component Name Quantity
Arduino Uno 1
BreadBoard 1-2
Batteries 2-4
DC Motor(2) 2
Toy wheels 4
Sonar Sensor 2
H-Bridge 1-2

Component Details:


Change Log

May 13, 2012

  • REVISE: optimize SPDT button codes

May 8, 2012

  • Added: 2 touch sensors (any SPDT button will do)
  • Removed: random direction and random number generator
  • Improved: moving forward codes to a function
  • Improved: robot will move right when picks up object from left sensor, vise versa for the other motor

May 7, 2012

  • Add H-Bridge details to
  • update the order of IF statements

April 30, 2012

  • Removed: ForwardCar() function
  • Improved: revise most codes from functions into loop()
  • Improved: revise variables declaration

April 18, 2012

  • Added: sensor detection function and return Distance back in an array
  • Improved: Reduce PWM in all analogWrite()
  • Improved: uses motor pin variables instead of pin numbers
  • Removed: Optical Encoders are now removed from this project
  • Removed: CarSpeed() and ReverseCar() are now integrated into the loop()

April 13, 2012

  • Added: H-Bridge control

April 12, 2012

  • Added: License