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1.8 KiB

Profilometer Probe

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Hardware

Models

  • All 3D printable models are located inside Models folder
  • Models are designed to be printed with standard 2mm layer height
  • When slicing be sure to print outer walls first to make print more accurate

Assembly

  • All screws are size M3
  • Assembly should be done accordingly

Components

  • Development board: Nucleo L432KC
  • Camera: ArduCam mini 5MP Plus
  • Distance sensor: Pimoroni LV53L1X
  • Complete list of components and connectors for probe can be found inside HW/Parts.md

Firmware for profilometer probe

Probe design block Scheme

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Build

  • Build using Makefile inside Firmware folder (dependency: arm-none-eabi)
  • Flash onto hardware using flash option for make command $ make flash

Usage

  • Connect probe to pc using usb c cable and firmware will start sending sending data automatically

Documentation

  • Create documentation using 'doc' option of Makefile '$ make doc'

Software for receiving data

Build

  • Build using Makefile inside Receiver folder

Usage

  • Has to be run with sudo permissions to correctly access USB CDC port.
  • '$ sudo ./main -p [-s Save received jpeg to files] [-r Print raw received CDC data to standard output]'
  • Prefer running with optional -s command for ability to inspect already captured images

Documentation

  • Create documentation using 'doc' option of Makefile '$ make doc'

TODO

  • Process image and filter only laser line from it
  • Use precessed data to determine depth or height of irregularities