• https://imadr.github.io/rotations-with-quaternions/
• https://marctenbosch.com/quaternions/

• https://www.nxp.com/products/sensors/motion-sensors/3-axis:3-AXIS#/ #MotioN
• https://community.nxp.com/t5/Kinetis-Software-Development-Kit/How-to-find-the-out-of-box-source-code-for-the-FRDM-KL27Z-Eval/m-p/447598#
• https://www.nxp.com/products/no-longer-manufactured/3-axis-digital-gyroscope:FXAS21002C# K66F

• https://www.nxp.com/part/FXOS8700CQ#/
• https://www.nxp.com/docs/en/data-sheet/FXOS8700CQ.pdf
• https://www.nxp.com/design/development-boards/freedom-development-boards/mcu-boards/nxp-freedom-development-platform-for-kinetis-k22-mcus:FRDM-K22F
  • https://cache.nxp.com/secured/assets/downloads/en/board-support-packages/FRDM-K22F-QSP.zip#
• https://github.com/ARMmbed/FXOS8700CQ

• https://www.nxp.com/docs/en/data-sheet/MMA8451Q.pdf
• https://www.gotronic.fr/pj-951.pdf MMA8452Q
• https://www.amazon.fr/gp/product/B07ZP26ZLB/ref=rzr-21#MMA845
• https://github.com/drewcassidy/MMA8452Q-Library#
• 3 axis
• https://github.com/am89/mma8452q_driver/blob/master/bm.c LinuxKernel
• https://github.com/tl8roy/mma8452q# RusT
• https://github.com/kelray/USB-3D-Accelerometer-Viewer# HardWare
• https://create.arduino.cc/projecthub/30503/using-the-mpu9250-to-get-real-time-motion-data-08f011#

• https://www.nxp.com/docs/en/data-sheet/MMA8452Q.pdf 0x2A
• https://www.amazon.fr/gp/product/B07ZP26ZLB/ref=rzr-21#MMA8452 GY-45 HY-M323

• https://android.googlesource.com/kernel/goldfish/+/android-3.18/drivers/iio/accel/mma8452.c

• https://raspberrypi.stackexchange.com/questions/7138/mma8452-i2c-module

wget https://raw.githubusercontent.com/ControlEverythingCommunity/MMA8452Q/master/Python/MMA8452Q.py
/usr/sbin/i2cdetect -y 1 | grep -- '- 1c -' && python MMA8452Q.py

ADDRESS=0x1C

STATUS=0x00
WHO_AM_I=0x0D
SYSMOD=0x0B
ASLP_COUNT=0x29
CTRL_REG1=0x2A
CTRL_REG2=0x2B
XYZ_DATA_CFG=0x0E

#
sudo i2cget -y 1 $ADDRESS $WHO_AM_I # 0x2a

sudo i2cset -y 1 $ADDRESS $CTRL_REG1 0x00
sudo i2cget -y 1 $ADDRESS $CTRL_REG1 # 0x00

sudo i2cset -y 1 $ADDRESS $CTRL_REG1 0x01

sudo i2cget -y 1 $ADDRESS $SYSMOD # 0x00
sudo i2cset -y 1 $ADDRESS $SYSMOD 0x01
sudo i2cget -y 1 $ADDRESS $SYSMOD # 0x00

sudo i2cget -y 1 $ADDRESS $XYZ_DATA_CFG # 0x00
sudo i2cset -y 1 $ADDRESS $XYZ_DATA_CFG 0x00

sudo i2cdump -y 1 0x1C  

No size specified (using byte-data access)
     0  1  2  3  4  5  6  7  8  9  a  b  c  d  e  f    0123456789abcdef
00: ff 7f f0 80 00 7f f0 00 00 00 00 01 00 2a 00 00    .???.??....?.*..
10: 00 80 00 44 84 00 00 00 00 00 00 00 00 00 00 00    .?.D?...........
20: 00 00 00 00 00 00 00 00 00 00 00 80 00 00 00 00    ...........?....
30: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00    ................
40: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00    ................
50: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00    ................
60: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00    ................
70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00    ................
80: 00 7f f0 80 00 7f f0 00 00 00 00 00 00 2a 00 00    .???.??......*..
90: 00 80 00 44 84 00 00 00 00 00 00 00 00 00 00 00    .?.D?...........
a0: 00 00 00 00 00 00 00 00 00 00 00 80 00 00 00 00    ...........?....
b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00    ................
c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00    ................
d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00    ................
e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00    ................
f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00    ................

• https://github.com/sparkfun/MMA8452_Accelerometer

• http://blog.daum.net/rockjjy99/2589

• https://github.com/adafruit/Adafruit_MMA8451_Library/blob/master/examples/MMA8451demo/MMA8451demo.ino
• https://github.com/bilbolodz/MMA8451/issues/2

• https://www.invensense.com/products/motion-tracking/6-axis/mpu-6050/
  • https://drive.google.com/viewerng/viewer?url=https://www.invensense.com/wp-content/uploads/2015/02/MPU-6000-Datasheet1.pdf
  • https://youtu.be/ImctYI8hgq4# StM
• https://github.com/emersion/node-i2c-mpu6050/blob/master/index.js
• https://playground.arduino.cc/Main/MPU-6050/# ArduinO
  • https://arduinotutoriels.com/mpu6050-schema-des-broches-circuit-et-connexion-avec-arduino/# MotioN

• https://www.invensense.com/products/motion-tracking/9-axis/mpu-9250/
  • https://www.npmjs.com/package/@agilatech/mpu9250
  • https://www.npmjs.com/package/mpu9250
  • https://github.com/AgilatechSystems/mpu9250#readme
• http://wiki.seeed.cc/Grove-IMU_9DOF_v2.0/# MPU-9250

• McU

• (6axis + mag)
• https://www.nxp.com/docs/en/data-sheet/FXOS8700CQ.pdf?&pspll=1# McU
  • https://os.mbed.com/platforms/FRDM-KW41Z/
  • https://www.nxp.com/products/sensors/motion-sensors/6-axis/digital-motion-sensor-3d-accelerometer-2g-4g-8g-plus-3d-magnetometer:FXOS8700CQ#

• https://youtu.be/czwQRwI2WE4# APDS-9960
• SparkFun RGB and Gesture Sensor - APDS-9960 :ToDo:
  • https://www.sparkfun.com/products/12787# Gesture
• https://www.youtube.com/watch?v=czwQRwI2WE4 : APDS-9960 Gesture Sensor

• https://youtu.be/x7kY0t29Lqk# HC-SR04 DistancE SonaR
• https://github.com/richardghirst/PiBits
• http://www.cs.unca.edu/~bruce/Fall13/360/IMU_Wk8.pptx
• http://www.geekmomprojects.com/gyroscopes-and-accelerometers-on-a-chip/#
• http://students.iitk.ac.in/roboclub/lectures/IMU.pdf# No Y from Accel
• https://github.com/arduino-libraries/MadgwickAHRS/blob/master/src/MadgwickAHRS.cpp# MotioN
• http://x-io.co.uk/res/doc/madgwick_internal_report.pdf
• http://www.st.com/en/mems-and-sensors/lsm9ds1.html# St MaG
• https://learn.adafruit.com/ahrs-for-adafruits-9-dof-10-dof-breakout/sensor-fusion-algorithms# FusioN
• KY-033 https://www.youtube.com/watch?v=676hAjIcHt8
• http://www.bdtic.com/cn/st/lsm6ds3#
• http://wiki.ros.org/myahrs_driver# OrientatioN
• https://maker.pro/arduino/tutorial/how-to-build-a-fall-detector-with-arduino# MathS
• https://www.i2cdevlib.com/devices/ak8975#source WisH
• https://archive.fosdem.org/2013/schedule/event/interaction_with_accelerometers/# MotioN

• http://unit.aist.go.jp/is/dsysd/mtran/English/experimentE.htm# ObsoletE AnimatioM

@TaG: SensoR