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1Tuesday, October 1, 2013 Woodlawn Advanced Robotics I Lesson 4
Woodlawn Advanced Robotics I: Lesson 4
In this Lesson 4 we will learn about:
Remote Control
Robot Remote Control
Ambient Light Calibration
Ambient Light Data Plot
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2Tuesday, October 1, 2013 Woodlawn Advanced Robotics I Lesson 4
Review
From Our previous classes:
Sensors: measure the environment
Actuators: affect the environment
End Effectors: interact with the environment
CPU: Central Processing Unit, a.k.a. the brains
Infra Red Light: Invisible light with lower frequency
Task: in the above pictures, circle a sensor, an actuator, an end effector, and infrared remote control.
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3Tuesday, October 1, 2013 Woodlawn Advanced Robotics I Lesson 4
Program your Robot
Task: program your robot to use the infrared sensor as control input.Task: do closed loop control using your brain as a CPU.
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4Tuesday, October 1, 2013 Woodlawn Advanced Robotics I Lesson 4
Electromagnetic Spectrum
Electromagnetic radiation:
produced by different processes detected in different sensors.
Electromagnetic radiation such as visible light and infrared radiation can be expressed in terms of energy, wavelength, or frequency.
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5Tuesday, October 1, 2013 Woodlawn Advanced Robotics I Lesson 4
Our First Program
Program your robot to read the ambient light sensor
Task: shine a light onto the ambient light sensor, record the sensor readingTask: repeat the above task with a different amount of light shining on the sensor.Task: read the time measurements and tabulate them below
Task: program your robot with your desired top speed, and let it race!
Measured Light Sensor OutputLight Intensity (qualitatively)
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6Tuesday, October 1, 2013 Woodlawn Advanced Robotics I Lesson 4
Play Time
Task: Play with your robot using the Infrared portion of the Electromagnetic Spectrum