INPUT.txt

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== Hardware ====================================================================
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* Arduino Pro Mini 5V
  https://store.arduino.cc/arduino-pro-mini

* 9 axis IMU (MPU9250 5Volt)
  many different possible

* Distance sensors VL6180
  https://www.sparkfun.com/products/12785




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==  I2C  =======================================================================
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* SoftI2C for communication with IMU and RangeFinder
  http://homepage.hispeed.ch/peterfleury/avr-software.html


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== IMU  ========================================================================
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* Madgwick's implementation of Mayhony's AHRS algorithm.
  http://www.x-io.co.uk/node/8#open_source_ahrs_and_imu_algorithms