Start with a donor Wiimote (preferably a broken one), order a transparent top shell, and practice your soldering. Once you click that first mechanical A button, you will never go back to rubber membranes.
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The original Wii Remote relied primarily on an accelerometer and an infrared sensor. It could detect changes in speed and tilt, and it knew where it was pointing relative to the Sensor Bar. However, it had no way of knowing exactly where it was in 3D space if the sensor bar wasn't in view—it couldn't measure yaw (rotation) accurately. wiimotenewini top
It sounds like you're asking for the "proper story" or origin of — likely a misspelling or phonetic rendering of something else. Start with a donor Wiimote (preferably a broken