introduction to lego ev3 - first in maryland · ev3 sensors and motors color sensor detects the...
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EV3 Brick Status Light
Red = Startup,
Updating, Shutdown
Red Pulsing = Busy
Orange = Alert, Ready
Orange Pulsing= Alert,
Running
Green = Ready
Green Pulsing = Running
Program
1. Center Button – Turns the brick on
and says “ok” to various questions
2. Back – Reverse actions, abort a
running program or to shut down
brick
3. Left, Right, Up and Down – These
4 buttons are used to navigate
through the EV 3 brick
EV3 Brick Buttons
Brick Display
Tab 1 – Run Recent
Screen is blank until you begin to download
and run programs.
Tab 2 - File Navigation
Files are organized in project folders.
Where do you think Programs created using
Brick Program and Brick Datalog app are
stored?
Tab 3 Brick Apps
Port View – Find Motor Degrees for B motor.
What do you think this shows you? How can
you reset to 0?
Tab 4 Settings
Volume *Turn the sound off. Turn the NXT
sound up.
EV3 Sensors and Motors
Color Sensor
Detects the
color or
intensity of
light
Ultrasonic
Sensor
Measures the
distance to an
object in front
of it
Touch Sensor
Analog sensor
that can detect
when the
sensor’s red
button has
been pressed
or released
Gyro Sensor
Detects
rotational
motion on a
single axis
EV3 Large
Motor
EV3 Medium
Motor
NOTE: All of the motors contain
internal rotation sensors which tell
the brick how far they have rotated
Programming Canvas
3. Write a
program
by clicking
and
dragging
blocks to
the Start
Block. Click
Drag
Start Block
File Naming and Saving
Activity: Open Software and Create a New
Program (File Name – gofwd)
EV3: File – New Project – Program – “Open”
* Double Click on File Name
Move Blocks Forward/Reverse
Activity: Drive
Forward – 360
degrees or more
- Then reverse half
the distance
BONUS: Annotate the Program
Activity: Drive Forward and Backward
1. Drive Forward MORE– double what you did earlier (use
1 block) - *Name and SAVE File
2. Drive Forward and change speed: (Fast and slow) (use
2 blocks)- *Name and SAVE File
3. Drive Forward and Backward (at least 2 blocks) * Name
and SAVE File
*Save each FILE as a NEW file!!!!!!
Activity: Using the View Screen to measure
distance in degrees!
1. Select Brick App
Screen
2. Select Port View
3. Scroll Right to Select
Motor Degrees
4. Select your port
5. Select - L – DEG
(not L - ROT )
Move-1 Wheel Turn
3. Set # of
degrees motor
should rotate
1. Set motor
rotation to
degrees
2. Set speed and direction
(positive and negative #’s)
Programming Tips
•Saving programs by saving versions
•Programming Tips
• Keep It Simple, Silly (KISS)
• Program in small steps
Attend a Qualifier Event!
NO MATTER what your children are
‘scoring’ during the robot game –
attend a qualifier tournament.
It’s all about the CELBRATION of
the season, not how well you can
score!
The robot score at the table
is a tiny piece of the overall
FIRST LEGO League
experience.
Other Great Websites
www.techbrick.com
www.nxtprograms.com
http://www.stemcentric.com/ev3
-tutorial
Search for FLL teams – many
teams put up great websites.