In this paper, we describe a visible-light positioning system that uses the ambient-light
sensor assembly in a smartphone as a receiver for illumination signals from LED-based …

The article presents spectral sensitivity curves of 22 typical luxmeters and 3 smartphones as
a result of laboratory measurements. Based on the measurement data, errors in the spectral …

Insufficient lighting in a room can affect activity, while excessive lighting can harm vision.
Visual comfort is achievable if the implementation adheres to sufficient requirements. It is …

This project presents a prototype of lux meter integrated with Internet of Things (IoT) and
data saving. Some commercial lux meters do not have data storage and cannot connect to …

Abstract In the Suitability Test Method there is the Illumination and Collimation Test still
using the manual method. This test aims to ensure that the light from the collimator lamp can …

Pengukuran perubahan kecerahan langit adalah salah satu persyaratan penting untuk
penelitian astronomi, terutama astronom amatir. Tujuan dari penelitian ini adalah untuk …

Luxirr meter adalah alat yang dibuat dengan menggabungkan fungsi pengukuran lux dan
iradiasi. Bisa difungsikan untuk perencanaan pemasangan PLTS untuk mencari tempat …

Smartphones are leading among the fastest-growing technologies. With their
numerousfeatures, smartphones are the best assistants to users in their lives on …