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Ever want to build your own RC vehicle? Now you can. Your in control of its design, and as simple to use a Legos, because it is Legos. All you need is a Lego NXT, a computer with a Bluetooth dongle, and control software


I am 17 years old.

Step 1: Materials

You will need:
*standard NXT kit
*computer with bluetooth
*wiimote

Step 2: Step 1

This part is best explained visually. View pictures for guidance.

Step 3: Step 2

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Step 4: Step 3

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Step 5: Step 4

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Step 6: Step 5

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Step 7: Step 6

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Step 8: Step 7

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Step 9: Step 8

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Step 10: Step 9

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Step 11: Step 10

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Step 12: Step 11

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Step 13: Step 12

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Step 14: Step 13

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Step 15: Step 14

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Step 16: Step 15

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Step 17: Step 16

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Step 18: Step 17

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Step 19: Step 18

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Step 20: Step 19

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Step 21: Step 20

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Step 22: Step 21

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Step 23: Step 22

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Step 24: Step 23

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Step 25: Step 24

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Step 26: Step 25

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Step 27: Step 26

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Step 28: Step 27

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Step 29: Step 28

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Step 30: Step 29

Plug left cable into port b. The picture is wrong.

Step 31: Step 30

Plug the right cable into port c. The picture is wrong.

Step 32: Software

download glovepie from:
http://glovepie.org/glovepie_download.php

download the controller:
http://www.norgesgade14.dk/bluetoothremote.php


 After downloading extract the files.

Step 33: Turn Brick On


Step 34: Find Bluetooth

use left and right keys until Bluetooth is centered.

Step 35: Select Bluetooth

Once you find the Bluetooth icon hit the orange button.

Step 36: Find On/Off

Use the right and left arrows to find On/Off

Step 37: Turning on Bluetooth

Select On if not already.

Step 38: Finding Visibility

While in the Bluetooth menu find the visibility icon.

Step 39: Make It Visible

Select On if not already selected.

Step 40: Start

click on the orb or hit super on your keyboard.

Step 41: Control

Start the control panel.

Step 42: Bluetooth

double click the Bluetooth icon.

Step 43: Add Device

Select add device from the menu bar.

Step 44: Find Device

After clicking on add new device a window will open. Other devices than your brick may appear. Wait until your NXT brick is found to double click on it. My bricks name was Sean, so I clicked on it.

Step 45: Pairing

A window will open asking for the device's password.

Step 46: Paring Password

Look at your brick. The default password is "1234." You can change the password if you want to. Once you know what password you want to use select the check mark.

Step 47: Paring

Enter pairing password from NXT.

Step 48: Finish Pairing

Click connect and windows will install the drivers needed.

Step 49: Wait

Wait until all the drivers have been installed and the brick has been successfully paired to move on.

Step 50: Pairing Wiimote

Go back to the Bluetooth window. Your brick should now appear there. Select add new device.

Step 51: Pairing Wiimote

Make sure your Wii is off. Either hold down both the 1 and 2 buttons or hit sync on the back of the controller.

Step 52: Find Device

After clicking on add new device a window will open. Other devices than the wiimote may appear. Wait until your wiimote is found to double click on it.

Step 53: Connect Wiimote to Computer

For the password option. Select pair without password.

Step 54: Finish Connecting Wiimote

The wiimote should pair with your computer and install drivers.

Step 55: Getting Com Port

Go to the Bluetooth menu. Right click on your brick, select properties, then settings. After loading you will see which COM port the brick is using.

Step 56: Start the Control Program

Double click on the controllers icon.

Step 57: Enter COM Port

Enter the com port of the brick. Then click start.

Step 58: Enable Keyboard

Click enable keyboard in lower right corner of the program.

Step 59: Start Glovepie

Double click on the glovepie icon. 

Step 60: Program

Here is the program. Just copy and past

if var.run == FALSE then
var.run = TRUE
HidePie
var.hidden = TRUE
endif


if ((DoubleClicked(Wiimote.Home) and Wiimote.HasClassic == FALSE) or DoubleClicked(Home) or DoubleClicked(Wiimote.Classic.Home)) and (var.hidden == true) then
ShowPie
var.hidden = FALSE
elseif ((DoubleClicked(Wiimote.Home) and Wiimote.HasClassic == FALSE) or DoubleClicked(Home) or DoubleClicked(Wiimote.Classic.Home)) and (var.hidden == FALSE) then
HidePie
var.hidden = TRUE
endif


var.home = SingleClicked(Wiimote.Home)
If var.home and var.on then
var.on = FALSE
elseif var.home and var.on = FALSE then
var.on = TRUE
endif


key.u = wiimote.a
key.j = wiimote.b
key.t = wiimote.Plus
key.g = wiimote.minus
key.y = wiimote.right
key.h = wiimote.Left
var.err = 15               //edit to change intervals. (0 - 180) are possible values

if ((wiimote.roll > var.err) && (wiimote.pitch < -(var.err)))
key.w =false
key.d =false
key.s =false
key.a =false
key.e =true
key.c =false
key.z =false
key.q =false
else
key.e =false
endif

if ((wiimote.roll > var.err) && (wiimote.pitch > var.err))
key.w =false
key.d =false
key.s =false
key.a =false
key.e =false
key.c =true
key.z =false
key.q =false
else
key.c =false
endif

if ((wiimote.roll < -(var.err)) && (wiimote.pitch < -(var.err)))
key.w =false
key.d =false
key.s =false
key.a =false
key.e =false
key.c =false
key.z =false
key.q =true
else
key.q =false
endif

if ((wiimote.roll < -(var.err)) && (wiimote.pitch > var.err))
key.w =false
key.d =false
key.s =false
key.a =false
key.e =false
key.c =false
key.z =true
key.q =false
else
key.z =false
endif

if ((Abs(wiimote.roll) <= var.err) && (wiimote.pitch > var.err))
key.w =false
key.d =false
key.s =true
key.a =false
key.e =false
key.c =false
key.z =false
key.q =false
else
key.s = false
endif

if ((wiimote.roll > var.err) && (Abs(wiimote.pitch) <= var.err))
key.w =false
key.d =true
key.s =false
key.a =false
key.e =false
key.c =false
key.z =false
key.q =false
else
key.d = false
endif

if ((Abs(wiimote.roll) <= var.err) && (wiimote.pitch < -(var.err)))
key.w =true
key.d =false
key.s =false
key.a =false
key.e =false
key.c =false
key.z =false
key.q =false
else
key.w = false
endif

if ((wiimote.roll < -(var.err)) && (Abs(wiimote.pitch) <= var.err))
key.w =false
key.d =false
key.s =false
key.a =true
key.e =false
key.c =false
key.z =false
key.q =false
else
key.a = false
endif

if (((Abs(wiimote.roll) <= var.err) && (Abs(wiimote.pitch) <= var.err)) || ((Abs(wiimote.roll) <= var.err) && (Abs(wiimote.pitch) <= var.err)))
key.w =false
key.d =false
key.s =false
key.a =false
key.e =false
key.c =false
key.z =false
key.q =false
endif


Wiimote.Led1 = var.on
Wiimote.Led2 = true 
Wiimote.Led3 = var.on 
Wiimote.Led4 = true 


if Wiimote.Battery <= 10 and var.warned == FALSE then
Say "Low Battery"
var.warned = TRUE
endif
var.bat = Wiimote.Battery / 192 * 100
debug ='Battery= '+var.bat+'%' 

Step 61: Controls

hold wiimote with IR camera facing away from you and level.

tilt wiimote down to go forward

tilt wiimote backward to go backward

tilt wiimote right to turn right

tilt wiimote left to turn left

tilt wiimote down and right to go forward to the right

tilt wiimote up and right to go backward to the right

tilt wiimote down and left to go forward to the left

tilt wiimote up and left to go backward to the left

plus button increases speed

minus button decreases speed

right button on gamepad increases spin speed

left button on gamepad decreases spin speed

a button increases turn ratio

b button decreases turn ratio

double click home button to reopen glove pie

Step 62: Run Glove Pie

Click run and enjoy.

I am 17 and if I can do, so can you.

Step 63: Finished

<p>Will this work with a mac?</p>
On step 56 what control program are we supposed to open. I successfully downloaded both MonoBrick (which is just two .dll files) and Glove Pie but I cannot run it because d3dx9_33.dll is missing from my computer for some reason. So my main question is what do you mean by open the control program because I am unable to find it.
<p>do u have a mac?</p>
The link for the control program is moved<br>What to do??
<p>hi nice thanks for this going to try this when i got home.</p><p>lil question could it also get to work with the IR camera? and when i paste your code in GlovePie and klick run it just closes without a message</p>
I did everything. The wii remote is connected with glovepie but nothing happens with the nxt. The nxt is connected with the blue tooth please help?
That's pretty cool! It looks like you've essentially used your computer as a &quot;translator&quot; that takes the sensor data from the wii remote and then send out motor commands to the NXT. Nifty! <br> <br>A great writeup about what the &quot;translator&quot; program is sending down to the NXT over bluetooth can be read here: <br>http://www.robotappstore.com/Knowledge-Base/Programming-LEGO-NXT-Mindstorms/92.html <br> <br>This is a great step by step tutorial of how to send down commands to the NXT. Additionally there are a bunch of free apps you can download for your computer and other mobile devices. If you can any questions - post your questions up there! <br> <br>Hope this helps, <br>Robotman_2 <br>
What control sofware did you use ?

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