1. Wii Remote Zibo Zou, Daniel Maertens, Steven Duan 1

2. What is a Wiimote?  The Wii is a video game console made by Nintendo at around 2006.It was the first console to use an interactive remote  A player could use motions and gestures in addition to buttons to play games  The remote is a light rectangular shaped controller that contains a combination of built-in accelerometers and infrared detection.  Expanded to the remote is a “nunchuk”, which holds an accelerometer and a traditional analog stick. 2

3. http://brettrolfe.com/wii-mote-autops/ 3

4. Outputs  Sound  Wii Remote can make its own sound  Can be calibrated with Wii sound to make a 3D sound effect  Example: shooting bow and arrow  Rumble  Vibrates the remote for feedback during games  Implemented as small motor attached to off center weight http://wiibrew.org/wiki/File:Wii_Remote_Rumble.jpg 4

5. Accelerometer  ADXL330 Accelerometer by Analog Devices (in the Wiimote)  Used to send acceleration on x, y, z axis  Mostly used during games that require movement.  LIS3L02 (in the Nunchuk) http://www.analog.com/media/en/technical-documentation/data-sheets/ADXL330.pdf http://www.adrirobot.it/iniziale.htm 5

6. Sensor Bar  Emitter for IR light  10 IR LEDs  Used to orient Wiimote and to calculate the rotation of the Wiimote  Does not actually communicate with the Wii or the Wiimote  The IR Camera in the Wiimote is the PixArt Multi Object Tracking, responsible for sensing motion from the remote. http://wiibrew.org/wiki/File:Wii-Remote-Camera.jpg https://farm6.staticflickr.com/5128/5337604469_90256fefe4_z.jpg http://www.amazon.com/s?ie=UTF8&page=1&rh=i%3 Aaps%2Ck%3Anintendo%20wii%20sensor%20bar 6

7. Bluetooth Communication  Broadcom BCM2042 (Bluetooth 2.0)  Used to transmit data from remote to Wii  Data sent  Position (calculated from IR sensor),  Accelerometer XYZ,  Buttons (A, B, power, etc)  Optional Data from add-ons / additional remotes  Nunchuck: analog joystick, accelerometer  Wii MotionPlus: tuning-fork gyroscope, single axis gyroscope http://wiibrew.org/wiki/File:Wii_Remote_Broadcom.jpg 7

8. Data Reporting  The Bluetooth establishes a HiD (Human Interface Device) connection with the Wiimote and its host.  A report can be thought of a network port assigned to a particular service.  A HiD descriptor block is used, which holds an enumeration of reports that the Wiimote can understand.  An “Input” report is sent by Wiimote to the host and is prepended by 0xA1  An “Output” report is sent by host to the Wiimote and is prepended by 0xA2 8

9. Generalized Example of Data Reporting Request Core Buttons Request Wiimote movement Request IR Camera Position Return Core Button Data Return Accelerometer Data Return IR Camera Position From Address: 0x33 9

10. http://wiibrew.org/wiki/Wiimote#HID_Interface 10

11. Peripherals: 6-Pin Expansion Controllers  The Wiimote has a series of 6-pin expansion port connected at the bottom of the Wiimote.  The 6-pin expansion ports are communicated through I2C serial connection.  The communication is encrypted, but people have found ways to decrypt it.  Examples:  Nunchuck  Wii MotionPlus Gyroscope  Classic Controller  Guitar Hero 3 Guitar  Wii Balance Board http://wiibrew.org/wiki/Wiimote/Extension_Controllers 11

12. Nunchuk  Specifically, the nunchuk has  6 types of data readable at register address 0xA40008  C and Z buttons are membrane switches  Joystick is an axial potentiometer, 30K ohms  Different accelerometer from the Wiimote  LIS3L02 Accelerometer  Different microcontroller from the Wiimote http://wiibrew.org/wiki/Wiimote/Extension_Controllers/Nunchuck http://www.gaminggenerations.com/store/im ages/wiinunchuck1.jpg 12

13. https://allaboutmcu.wordpress.com/2012/11/05/interfacing-a-wii-nunchuck-with-a-dspic30f4011-using-i2cabout-time-ps-this-is-a- draft/ 13

14. Wii MotionPlus  Add on to the normal Wii remote that adds additional functionality  Biggest features include adding 2 gyroscopes  Pass through external extension connector  Allows use of other add ons at the same time https://en.wikipedia.org/wiki/Wii_MotionPlus#/med ia/File:Wiimote-with-Motionplus-Attach.jpg 14

15. Gyroscope  Used in the Wii MotionPlus to add additional functionality  Allows remote to capture complex motion more accurately  Nintendo: “Enables actions to be rendered identically on the screen in real time”  Actually includes 2 different types of gyroscopes  Dual axis Tuning fork gyroscope (InvenSense IDG-600)  Measures pitch and roll  Single axis gyroscope (EPSON TOYOCOM X3500W)  Measures yaw http://www.gamespot.com/forums/system-wars-314159282/wow-3ds- will-have-a-software-installer-27349754/?page=2/ 15

16. http://www.rcgroups.com/forums/showthread.php?t=1335765 16

17. Example of Utilizing the Wii Motion Plus https://youtu.be/uUWqBkQOr4U?t=1m1s 17

18. DEMONSTRATION 18

19. QUESTIONS??? 19

20. References All the References are in the notes. The below are just the important links http://wiibrew.org/wiki/Wiimote#0x22:_Acknowledge_output_report.2C_return_fu nction_result https://www.youtube.com/watch?v=ETAKfSkec6A http://wiibrew.org/wiki/Wiimote 20