Texas Instruments TI-Rover with Geometry Challenges User manual

Meet the TI-Rover
with Geometry Challenges
TI-Nspire CX Family
TI-Basic
Texas Instruments
@ticalculators
www.TIstemProjects.com
Contact [email protected] with questions

Meet the TI-Innovator™Rover

TI-Innovator™Rover
TI-Innovator™Hub
TI Graphing Calculator

Battery indicator Red-Green-Blue
(RGB) Color LED
On/Off Switch
Marker holder
(Expo Fine and
Ultra Fine sizes)
Calculator holder posts.
Lift and twist to CE or CX side.
Rover from the top
Battery Charge
with USB micro
to wall adapter.

Turn Rover Over
What do you
see?

Sensors on Rover
Motors to turn
the wheels
Ranger to
measure distance
Color sensor to
detect different
colors

TI-Rover orientation and virtual grid
Rover programs set the initial position as the origin and the heading
as 0 degrees measured from the x-axis.
Note: The Rover tracks its position on a virtual coordinate grid with a unit value of 10
cm. The coordinate grid position applies to the RV TO XY, RV TO POLAR, and RV TO
ANGLE on the Drive RV Drive menu. The virtual grid also applies to the RV Path menu
functions.

Connecting Rover to your calculator
Plug B side into
USB B port of
the Rover Hub.
Unit-to-unit cable
Plug A side into
port on calculator
the Rover Hub.
Make sure that your Rover is
switched on and
on floor ready to roll before
running the program.
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Connecting your calculator to the Rover
Initial Connection
»Step 1: Make sure that Rover is
switched ON
»Step 2: plug unit-to-unit cable
into Hub
»(Use end of cable labeled B)
»Step 3: plug unit-to-unit cable
into the calculator
»(Use end of cable labeled A)
Troubleshooting
Try the following as a fast fix:
»Step 1: unplug the unit-to-unit cable from
the hub and the calculator.
»Step 2: re-connect in the order of first Hub
then calculator second.
If the fast fix does not work, try these steps:
»Step 1: unplug unit-to-unit cable from
both the hub and the calculator
»Step 2: Switch Rover OFF
»Wait a second
»Step 3: Switch Rover ON
»Step 4: plug unit-to-unit cable into Hub
»Step 5: plug unit-to-unit cable into the
calculator

Creating a new TI-Nspire document
Press the [home/on] key to
display the home screen.
Use arrow keys and [enter] or
Press [1] to select 1 New document.
See next slide for steps to add
a program.
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Creating a Rover Program
Note: You can also add a new page
to the document by pressing
[ctlr] [doc] +page.
Press [menu] to bring up a menu
of applications to add to the page.
Press down arrow repeatedly
then press [enter] or
press [9] to select Add Program
Editor.
Select 1: New by
pressing [enter] or [1]
Enter your program name
and press [enter].
You begin on a blank
program line.
Press [menu] then [8] Hub [7]
Rover (RV) [8] Send “Connect RV”
The Connect RV command
is required at the beginning of
every Rover program. Note:
Right arrow to the end of the
line and press [enter] to
complete the statement.
Press [menu] then [8] Hub [7] Rover
(RV) [1] Drive RV [1] FORWARD to
paste to the edit line. Type a value for
units to drive. Right arrow to the end
of the line and press [enter] to
complete the statement.
Press [ctrl] [R] to run the program in
a calculator app on the next page.
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6 7
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Running a Rover Program
Press [ctrl] [R] to paste the program
name ready to run in a Calculator app
on the next page.
Note: [ctrl] [R] also checks syntax and
stores program changes. [ctrl] [B] is
another option for checking syntax
and storing. * before the program
name indicates that changes have not
been stored.
Before running the program
make sure that
- Rover is connected to the calculator
- Rover is switched on
- Rover is on a flat surface ready to roll
Press [enter] to run your program in
the Calculator app.
You can re-run the program in the
Calculator app by pressing [enter].
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Editing a Rover Program
Press [ctrl] left to go back to your
editor page.
Use the arrow keys to position
the cursor to change the value of
the forward distance.
Press [del] to
backspace over the 3.
Type in a new value for distance,
right arrow to the end of the line,
then [enter] to move to the next
line.
Press [ctrl] [R] to paste the
program name ready to run
in a Calculator app on the
next page.
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56
Press [enter] to run your program in
the Calculator app.

Saving a TI-Nspire document file
Press [doc] then select 1 File
from the menu by pressing
[enter] or [1].
Select 4 Save or 5 Save As…
from the menu.
Type in your file name
using alpha and
numeric characters.
Note: The name must
begin with an alpha
character.
Press [enter] to save the file to the
folder indicated above.
To change the folder press the
[UP] arrow key and then use
arrows and [enter] to select a
folder before pressing [enter] to
save the file.
Press [esc] to cancel the save
dialogue.
You can use [ctrl] [S] as a shortcut
to save the TI-Nspire document file.
1234
Folder where file
will be saved.

Opening an existing TI-Nspire document file
Press the [home/on] key to
display the home screen.
Use arrow keys and [enter] or
Press [2] to select 2 Browse files. Use arrow keys and [enter] to
select a folder and a file.
Note: Pressing the [home/on] key
repeatedly toggles between the
home screen and the current
document.
123

Drawing with the TI-Rover
Use Expo Fine or Extra Fine dry erase markers.
The markers drop into a slot on the front of the Rover.
Note: The Texas Instruments Workshop Loan Rover cases include markers.
Drawing surface: We recommend butcher paper held in place with painters tape on a
hard surface.

MAKE IT MOVE!
Task: Discover how far
Rover drives per unit.
Use differing values (1-20) to
determine what 1 Rover unit
is.
New Program:
Press [menu] key to see TI-Basic Program Editor options.
Press [ctrl] [R] to paste the program name ready to run in a Calculator app
on the next page. Press [enter] in the Calculator app to run the program.
Use [ctrl] left to move from the Calculator page back to the editor page.
Find ”CONNECT RV” on the 8:Hub>7:Rover menu.
Find FORWARD on the 8:Hub>7:Rover>1:Drive RV menu.
Enter value for number of units to drive.
Right arrow to the end of the line and press [enter]
to complete the command and move to the next line.

Set the color
Task: Set the color output of
the RGB LED.
Each color takes a value (0-
255).
Challenge Task: Try to make Yellow
New Program:
Find RV.COLOR on the 8:Hub>7:Rover>5:RV.Color menu.
Separate the values for Red, Green and Blue with spaces.
.
Press [menu] key to see TI-Basic Program Editor options.
Press [ctrl] [R] to paste the program name ready to run in a Calculator app
on the next page. Press [enter] in the Calculator app to run the program.
Use [ctrl] left to move from the Calculator page back to the editor page.
Enter values for
Red, Green and
Blue separated
by spaces.

Explore angles
Task: Drive a square.
Challenge Task: Try to drive an
equilateral triangle.
New Program:
The program above is a framework for driving a square.
Enter values for distance and turn angle.

Quick Math Reminders
»Complementary
Angles:
»Sum to 90 degrees
»Supplementary
Angles:
»Sum to 180 degrees