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README.md

This is an attempt to build a small, lightweight, cheap, diy spectrometer. The spectrometer was designed to work on a Watterott StarterKit Roboter V2. The robot can connected to a PC via bluetooth. A Python program can be used to remotely control the robot and spectrometer.

The spectrometer itself (without Arduino) can be build for less than 40 €.

Instructions about how to build the spectrometer can be found on https://sven-seeberg.de/wp/?p=812

required parts

  • 1x Black drinking straw
  • black tape
  • 3D Printer (e.g. black PLA)
  • printable parts (.stl files)
  • 4x M2,5 x 5mm screws + nuts
  • 4x M2,5 x 10mm screws + nuts
  • 2x M4 x 40mm screws + nuts
  • 1x TSL1402R
  • 4x white LEDs
  • 1x perfboard
  • wires, pin cables, hit shrink tube, etc
  • 1x Arduino
  • 1x diffraction grating 1000 lines / mm (cheap source [5])
  • 1x 2N7000 MOSFET