Girl Scout Lego Robotics Workshop

1
Girl Scout Lego Robotics Workshop

• Ruthe Farmer
• Cathy Swider
• Jim Ryan
• Roger Swanson
• April 19, 2003

2
Why Are We Here?

• Learn about robots
• Build some robots out of Legos
• Try some simple programming
• Have fun!!!

3
Agenda

• Housekeeping
• Robot video
• About Lego Robots
• Build a Roverbot and experiment with it
• Lunch
• CitySights demonstration
• Programming with Robolab
• The Can Do Challenge

4
Before We Start

• The RCX
• Outputs(A,B,C)
• Inputs (1,2,3)
• Buttons (On, Program, Run)
• Infrared port
• Motors
• Sensors
• Touch sensor
• Light sensor
• Enable the default programs

5
Build the Roverbot

• Follow pages 12-17 in the Constructopedia
• Run Program 1 and see the Roverbot in action
• Add two touch sensors to Inputs 1 and 3 and drive
  your Roverbot with Program 2
• Add the light sensor on pages 34 and 35 and
  connect to Input 2
• Use Program 3 to experiment with the light sensor

6
Programming with Robolab

• Load the firmware into the RCX
• Pilot 1 very limited
• Pilot 2 drive forward for 4 seconds
• Pilot 3
• Go in a circle until touch sensor is touched
• Go forward and stop on black line
• Pilot 4 Drive in a square

7
The Can Do Challenge

• Playing field is a white area with a black circle
• Some number of cans are inside the circle
• Adapt your Roverbot and program it in Pilot 4 to
• Start inside the circle
• Push as many cans out of the circle as you can in
  2 minutes