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Pedro Luis Yturria Montenegro
Participation In The XI Iberoamerican Optics Meeting / XIV Latin-American Meeting On Optics, Lasers And Applications , San Jose, Costa Rica, March 27 To 31, 2023

A low-cost 3D-printed spectrometer based on Raspberry Pi

The presentation of the research work "A low-cost 3D-printed spectrometer based on Raspberry Pi" at the “XI Iberoamerican Optics Meeting / XIV Latin American Meeting on Optics, Lasers and Applications (RIAO/OPTILAS 2023)", which took place from 27 to 31 March 2023, in San José, Costa Rica.
Abstract: This work presents the development of a low-cost mini-spectrometer based on a Raspberry Pi 3 single-board computer that can be connected to portable devices via Bluetooth or WiFi. Using the Raspberry Pi camera increases the sensitivity of the spectrometer, avoiding hardware-specific software to deal with different low-level camera parameters. This device solved issues encountered when running a smartphone-based spectrometer for a Spectrometry Remote Lab 24/7 due to heating problems and difficulties in capturing spectral reference lines of a compact neon light source. Moreover, an automatic spectral calibration algorithm was implemented using Artificial Intelligence, executed directly on the Raspberry Pi. The overall cost of the device does not exceed 100 USD.