Modular system for UV-vis-NIR radiation measurement with wireless communication

HardwareX. 2021 Oct 11;10:e00236. doi: 10.1016/j.ohx.2021.e00236. eCollection 2021 Oct.

ABSTRACT

Light wavelengths like Ultraviolet (UV) and Near-Infrared Radiation (NIR) are some topics of great interest for research in renewable energy, agriculture, architecture, interior design, and psychology. Due to the light spectrum influence in all these fields, it is necessary to develop instruments that facilitate their remote measurement and storage using Internet of Things technology. In this work, a modular system of sensors for UV-vis-NIR radiation measurement is presented. The system includes six multi-spectral sensors that allow 54 different measures. The acquired data can be sent to the cloud in real-time or stored in a micro SD memory in separate files (per sensor) to facilitate its reading, each data is time-stamped using Unix format, synchronized with a Network Time Protocol (NTP) server. The sensor enclosure was standardized in installation and all of them except the AS7265 have the same size, and were covered with a 1/8″ PTFE sheet to take advantage of its diffuser characteristic. Finally, the sensors were mounted on a standard 2020 extruded aluminum guide rail, this rail allows to fix sensors in different distances and arrangements, bringing adaptability to the system.

PMID:35607695 | PMC:PMC9123446 | DOI:10.1016/j.ohx.2021.e00236

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