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The micro:bit has an accelerometer and magnetometer (compass) powered by ST’s LSM303AGR chip (https://www.st.com/en/mems-and-sensors/lsm303agr.html). According to the chip’s technical specs, in terms of acceleration, you can use the micro:bit to measure acceleration up to ±16g (1g being acceleration due to gravity, i.e. 9.8 m/s2—16g is 16x acceleration due to gravity). The micro:bit uses this chip to detect gestures but it can also be used just to read acceleration in 3 axes.
In this first part, I will show a method of setting the sampling rate and plotting the accelerometer data from the micro:bit.
It’s great that the Mu Editor will allow display of the data and plot it too.
Are you building with micro:bit? Let us know in the comments below.
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