Zobrazeno 1 - 10
of 215
pro vyhledávání: '"RGB LED"'
Publikováno v:
Materials, Vol 17, Iss 19, p 4935 (2024)
LED packaging miniaturization has raised more requirements for LED materials. As a material contacting the LED chip directly, the reliability of LED non-conductive adhesive has also garnered increasing attention. This study optimized the formula for
Externí odkaz:
https://doaj.org/article/1b77dbe492244b9eb30a2c75f46030cb
Publikováno v:
Pribory i Metody Izmerenij, Vol 14, Iss 2, Pp 96-105 (2023)
For widely used LED sources there is a sharp decrease in the illumination of the working plane from the center to the edge. The purpose of this study was to analyze the effectiveness of Fresnel lenses usage as a fairly simple and technological elemen
Externí odkaz:
https://doaj.org/article/05058935a29e49cba0acc89c80f39c02
Publikováno v:
IEEE Photonics Journal, Vol 15, Iss 5, Pp 1-10 (2023)
Optical camera communication (OCC) has been widely employed in various applications as a flexible and cost-effective means of communication both on land and underwater. However, the performance of the OCC system through the water-air interface has no
Externí odkaz:
https://doaj.org/article/c02f19f146d04391ac928386a9c7d289
Akademický článek
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Publikováno v:
Pribory i Metody Izmerenij, Vol 13, Iss 1, Pp 60-67 (2022)
Сreation of indoor lighting systems with the possibility of changing its parameters in space and time is a promising direction within the framework of the intellectual environment system. The aim of this work was to create a methodology for calculat
Externí odkaz:
https://doaj.org/article/47289c1813964735b451c1b48356b73a
Autor:
Marina Salukova, Anastasiia Surkova, Yana Shmakova, Natalya Samokhina, Julia Kostyuchenko, Alina Parshina, Ildar Ibatullin, Andrey Bogomolov
Publikováno v:
Engineering Proceedings, Vol 48, Iss 1, p 17 (2023)
In this study, a portable desktop analyzer for the determination of fat content in milk is introduced. The prototype of the sensor consists of three light-emitting diodes (red, green, and blue) as a light source. The transmitted light is detected by
Externí odkaz:
https://doaj.org/article/3616ced9de2147a0b68a45ad53c80063
Akademický článek
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Autor:
Baseem Al-Sabbagh, Nada N. Abdulrazzaq
Publikováno v:
Iraqi Journal of Chemical and Petroleum Engineering, Vol 23, Iss 2 (2022)
A low-cost, RGB LED-based visible-light spectrophotometer was designed to measure dyes concentration. Dyes are widely used as indicators or coloring agents in different applications and knowing their concentration is an essential part for many studie
Externí odkaz:
https://doaj.org/article/0687e133b50149088c6b9310813daaac
Publikováno v:
Sensors, Vol 23, Iss 8, p 3913 (2023)
Eutrophication is the excessive growth of algae in water bodies that causes biodiversity loss, reducing water quality and attractiveness to people. This is an important problem in water bodies. In this paper, we propose a low-cost sensor to monitor e
Externí odkaz:
https://doaj.org/article/d70d0f3b615a418b85bac54fcb4610d9
Akademický článek
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