EV3 Mars Mission

EV3 Mars Mission

1. Screen

   • Show Text
     • Useful for showing sensor values when program running
   • Pixel Art
     • Built in animations
   • Black and white

2. Ports

   • Letters
     • Motors
       • Move things
       • Small Motor
         • Weak
       • Medium Motor
         • Medium Strength
       • Big Motor
         • Powerful
   • Numbers
     • Sensors
       • Touch
         • Placement can change when it presses, producing unreliable results
         • See if something is there
       • Gyroscope
         • Direction
           • Degrees
       • Ultrasonic Sensor
         • Distance Away from objects
           • Max Value of 255
           • Cm
       • Colour Sensors
         • PCT Value
           • Unable to detect what colour its on
         • Colour Reflection
         • Detect the colour it sees
           • Unreliable in some light conditions

3. Software

   • Port View
     • See what things are on each port
   • File Extention
     • .Imsp
       • New Scratch like software
     • .ev3
       • Old Software
   • Devices
     • Laptop
       • Easy to drag and drop blocks with mouse/trackpad
     • Tablet
     • Phone
       • Hard to program on small Screen

4. Code

   • Blocks
     • Functions
       • Reusable code separated from main program
     • Move motors
       • Direction
       • Speed
       • Distance
         • Wheel Rotations
         • Seconds
     • Math
       • Multiply
       • Addition
       • Less Than
     • Display
       • Show Text
         • Can be used for debugging
     • Sound
       • Tone
         • Pitch
     • Control
       • If
       • Loop
       • While
     • Variables
       • Value That can change

5. Functional requirements

   • Line Following
     • PID
       • Pros
         • Very Reliable
           • But only once configured correctly
         • Can do tight Turns
         • Correct for errors made
       • Cons
         • Takes Time to tune values
         • Difficult to tune in changing light conditions
     • Simple
       • Pros
         • Simple To configure
         • Easy To understand
       • Cons
         • Cannot Do Very Tight Turns
         • Not very advanced
         • Jittery Turning
     • Proportional
       • Pros
         • Can do tight turns
         • Correct for errors
         • Can Be smooth
       • Cons
         • Takes time to tune KP Value
         • Light Conditions Can change behaviour
   • Move Objects
     • Detect if object moveable
       • Touch Sensor
       • Ultrasonic Sensor
         • Distance

6. Self Determined Criteria

   • Stop When off mat
   • Play tone when finished