ArticleACS omega2025
Modular "Plug-and-Play" Photometer Based on IoT Digital Light Sensors: A DIY Approach for In Situ Analysis.
Article in ACS omega, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
2 citing papers in PubMed.
- Article
- Beyond RGB: Integration of an 8-Channel Digital Light Sensor into a Fully Automated Platform for Colorimetric Sensor Arrays.Analytical chemistry · 2025Article
Corrections and comments
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Authors and funding
4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Portable photometers fabricated with low-cost optical components have been developed for a wide range of analytical applications. However, their analytical performance is closely related to the spectral range of the colored solution, as it depends on the detector material used in commercially available digital light sensors. A modular DIY, plug-and-play photometer was designed for quantitative absorbance measurements. Four digital light sensors (BH1750, TSL2591, LTR329, and LTR303) were evaluated for detecting colored solutions. LTR329 and LTR303 were found to provide optimal performance due to their broad spectral coverage, enhancing the device's analytical capabilities. The photometer integrates an LED light source (635 nm) and a microcontroller (Adafruit ESP32-S3), enabling easy operation and data processing. It was employed to determine sulfide concentrations in wastewater using the methylene blue method and urea levels in Automotive SCR fluid samples with the Schiff reaction. The analytical results for sulfide (0.26-3.00 mg L
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Registered trials
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