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Because motion controls are awesome. | Because motion controls are awesome. | ||
= I/O = | |||
See also the [http://wiibrew.org/wiki/Wiimote Wiibrew article]. | See also the [http://wiibrew.org/wiki/Wiimote Wiibrew article]. | ||
== Accelerometer == | |||
3x 8 bit, for X, Y and Z. The readings include earth gravity (1G). | 3x 8 bit, for X, Y and Z. The readings include earth gravity (1G). | ||
Supported range is about -6G .. 6G, giving us a pretty bad precision of 0.04G. | Supported range is about -6G .. 6G, giving us a pretty bad precision of 0.04G. | ||
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Useful for determining the absolute wiimote tilt state (pitch/roll/yaw) and throws (x=y=z=0 ⇒ "zero gravity" at the tip of a throw) | Useful for determining the absolute wiimote tilt state (pitch/roll/yaw) and throws (x=y=z=0 ⇒ "zero gravity" at the tip of a throw) | ||
== tilt sensors (MotionPlus) == | |||
[[File:Rotations.gif|200px|thumb|right|Axis names]] | [[File:Rotations.gif|200px|thumb|right|Axis names]] | ||
Roll, Pitch and Yaw, 16 bit per value. ''Only'' reports relative motion, earth gravity doesn't matter. Also, it only reports motion around the Wiimote's own axis. Moving the wiimote up/down/ | Roll, Pitch and Yaw, 16 bit per value. ''Only'' reports relative motion, earth gravity doesn't matter. Also, it only reports motion around the Wiimote's own axis. Moving the wiimote up/down/letf/right on a straight line doesn't really affect the readings. | ||
Useful for pointing devices (works as good as infrared pointing) and detecting rotation (augmented reality). | Useful for pointing devices (works as good as infrared pointing) and detecting rotation (augmented reality). | ||
== Speaker == | |||
See [http://wiibrew.org/wiki/Wiimote#Speaker Wiibrew]. | See [http://wiibrew.org/wiki/Wiimote#Speaker Wiibrew]. | ||
== LEDs == | |||
Four LEDs. The bluetooth connection is fast enough to implement software PWM with 10 brightness levels. | Four LEDs. The bluetooth connection is fast enough to implement software PWM with 10 brightness levels. | ||
== Buttons == | |||
Can be read via Polling and Interrupts. | Can be read via Polling and Interrupts. | ||
= Done = | |||
* Neverball: Wiimote is already supported, use [https://github.com/derf/wii-sensors/blob/master/neverball/tilt_wii.patch tilt_wii.patch] for balance board + wiimote support. Note that the patch is unstable and may crash while syncing. | * Neverball: Wiimote is already supported, use [https://github.com/derf/wii-sensors/blob/master/neverball/tilt_wii.patch tilt_wii.patch] for balance board + wiimote support. Note that the patch is unstable and may crash while syncing. | ||
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* interactive blinkenlights using the LEDs | * interactive blinkenlights using the LEDs | ||
= Ideas = | |||
* Stepmania via Balance Board? (if it is precise enough) | * Stepmania via Balance Board? (if it is precise enough) | ||
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* Use Wiimote as lightsaber (already possible for smartphones, but... whatever :p ) | * Use Wiimote as lightsaber (already possible for smartphones, but... whatever :p ) | ||
= See also = | |||
* [http://wiibrew.org/wiki/Wiimote Wiibrew article] about wiimote (more detailed) | * [http://wiibrew.org/wiki/Wiimote Wiibrew article] about wiimote (more detailed) | ||
* [https://github.com/derf/wii-sensors wii-sensors] git repo | * [https://github.com/derf/wii-sensors wii-sensors] git repo | ||
== Videos == | |||
* Neverball with balance board: [[Has video::http://finalrewind.org/interblag/entry/neverball-balance-board/bboard2.mkv|mkv]] / [[Has video::http://youtu.be/cIIBW7j1lAQ|youtube]] | * Neverball with balance board: [[Has video::http://finalrewind.org/interblag/entry/neverball-balance-board/bboard2.mkv|mkv]] / [[Has video::http://youtu.be/cIIBW7j1lAQ|youtube]] | ||