Chapter 2, Exploring Robot Building Blocks - Code and Electronics

• What is an I/O pin?
  • A pin you can connect inputs and outputs to on a controller – an input/output pin
• What tools do you need to make a block diagram?
  • A pen and paper
• What are the drawbacks of the laser ranging sensor versus the ultrasonic distance sensor?
  • The laser ranging sensor is sensitive to light conditions and more expensive.
• What type of system is a microphone?
  • A sensor or an input
• What kind of I/O pin is correct for measuring a varying resistance?
  • An analog pin
• What type of I/O pin would be suitable for detecting an on/off signal?
  • A digital pin