資料來源:https://www.sparkfun.com/products/13944
The SparkFun 9DoF Sensor Stick is an easy-to-use 9 Degrees of Freedom IMU. The Sensor Stick deftly utilizes the LSM9DS1 motion-sensing system-in-a-chip, the same IC used in the SparkFun 9DoF IMU Breakout. It houses a 3-axis accelerometer, 3-axis gyroscope, and 3-axis magnetometer – nine degrees of freedom (9DoF) in a single IC!
The onboard LSM9DS1 is equipped with a digital interface, but even that is flexible. The biggest difference between the two boards, besides the slimmed down 0.9"x0.4" footprint, is the number of broken-out pins, with the Sensor Stick featuring only four for quick setup and ease of use.
The LSM9DS1 is one of only a handful of ICs 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.
Each sensor in the LSM9DS1 supports a wide spectrum of ranges: the accelerometer’s scale can be set to ± 2, 4, 8, or 16g, 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 9DoF Sensor Stick Guide
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在SparkFun 9DoF傳感器棒是自由IMU的一個易於使用的9度。傳感器棒靈巧地利用LSM9DS1動作感應系統中的單芯片中,使用的相同的IC SparkFun 9DoF IMU突圍 。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)!
板載LSM9DS1配備有數字接口,但即使是柔性的。這兩個板之間最大的區別,除了瘦身0.9“x0.4”的足跡,是斷開的引腳只有四個快速設置和易於使用的配備數量,與傳感器棒。
該LSM9DS1只是集成電路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。
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克的陀螺儀支持±245,500,和2000°/ s,並且該磁力具有全面±4,8,12或16高斯的範圍。
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