資料來源:https://www.sparkfun.com/products/13284
The LSM9DS1 is a versatile, motion-sensing system-in-a-chip. It houses a 3-axis accelerometer, 3-axis gyroscope, and 3-axis magnetometer – nine degrees of freedom (9DOF) in a single IC! The LSM9DS1 is equipped with a digital interface, but even that is flexible: it supports both I2C and SPI, so you’ll be hard-pressed to find a microcontroller it doesn’t work with. This IMU-in-a-chip is so cool we put it on the quarter-sized breakout board you are currently viewing!
The LSM9DS1 is one of only a handful of IC’s that can measure three key properties of movement – angular velocity, acceleration, and heading – in a single IC. By measuring these three properties, you can gain a great deal of knowledge about an object’s movement and orientation. The LSM9DS1 measures each of these movement properties in three dimensions. That means it produces nine pieces of data: acceleration in x/y/z, angular rotation in x/y/z, and magnetic force in x/y/z. The LSM9DS1 Breakout has labels indicating the accelerometer and gyroscope axis orientations, which share a right-hand rule relationship with each other.
Each sensor in the LSM9DS1 supports a wide spectrum of ranges: the accelerometer’s scale can be set to ± 2, 4, 8, or 16 g, the gyroscope supports ± 245, 500, and 2000 °/s, and the magnetometer has full-scale ranges of ± 4, 8, 12, or 16 gauss.
Get Started with the LSM9DS1 Breakout Guide
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該LSM9DS1是一個多功能的,動作感應系統級單芯片。它擁有一個3軸加速度計,3軸陀螺儀和3軸磁力計 - 在一個單一的IC九度自由度(9DOF)!該LSM9DS1配備了數字接口,但即使是靈活的:它同時支持I 2 C和SPI,所以你會捉襟見肘找到一個微控制器不工作著。這IMU-IN-A-芯片是太酷了,我們把它放在你當前正在查看的四分之一大小分線板!
該LSM9DS1僅僅是IC的極少數能夠測量運動的三個關鍵特性之一 - 角速度,加速度和航向 - 在一個單一的IC。通過測量這三個屬性,你可以得到知識有關對象的運動和方向很大。該LSM9DS1測量每個在三個方面,這些運動屬性。這意味著,它產生九件的數據:在X / Y / Z加速度,在X / Y / Z的角旋轉,和磁力在X / Y / Z。該LSM9DS1突圍具有指示加速度計和陀螺儀軸方位,其相互共用一個右手規則關係標籤。
在LSM9DS1每個傳感器支持範圍很寬譜:加速度計的比例可設定為±2,4,8,或16克,陀螺儀支持±245,500,和2000°/ s,並且該磁力具有全的±4,8,12或16高斯比例範圍。
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