Assembly and setup

Assembly and Setup Instructions on Youtube

Calibration

  • Flash board with calibration.ino

  • Connect a host via I2C (see provided host-example.ino)

  • Insert each calibration drill bit shafts and replace the lookup table entries in driver.ino with your own measurements

    • Measure the actual diameter of the shafts and fill second column

    • Use the host’s output multiplied by 1000 to fill first column

  • Finally, flash driver.ino with your values filled out

  • Hub should now output exact diameter values

    Note: Analog output is currently not enabled in driver.ino (I2C and FAULT pin only)