IoT-based Fiber Optik Chemical Sensor (FOCS) for detection Power of Hidrogen (pH) using microcontroller ESP-32.
Eris Rifaldi(a*), Budi Mulyanti(a), Gandi Sugandi(b), Arjuni Budi Pantjawati(a), Lilik Hasanah(c), Roer Eka Pawinanto(a), Asep Bayu Dani Nandiyanto(d)
a) Departemen Pendidikan Teknik Elektro, Universitas Pendidikan Indonesia,
Jl. Dr. Setiabudi 229, Bandung 40154, Indonesia
*eris111213[at]student.upi.edu
b) Pusat Penelitian Elektronika Dan Lembaga Telekomunikasi Ilmu Pengetahuan Indonesia, Lembaga Ilmu Pengetahuan Indonesia,
Jl. Sangkuriang, Bandung 40135, Indonesia
c) Departemen Pendidikan Fisika, Universitas Pendidikan Indonesia,
Jl. Dr. Setiabudi 229, Bandung 40154, Indonesia
d) Departemen Pendidikan Kimia, Universitas Pendidikan Indonesia,
Jl. Dr. Setiabudi 229, Bandung 40154, Indonesia
Abstract
This research aims to produce an IoT-based Fiber Optical Chemical Sensor (FOCS) sensor system for pH detection using an ESP-32 microcontroller. The chemical sensor developed uses an optical fiber medium with a light transceiver technique. By utilizing the properties of light on optical fibers and by using SFP XXXX transceivers a voltage change data is obtained which is then sent and processed by the ESP-32 microcontroller so that it can be displayed on a screen and will be displayed on a smartphone in the form of measured pH prices. The tool made can be implemented for various groups, especially farmers with additional features.
Keywords: ESP 32; SFP; Fibre Optic; pH
Topic: Material Engineering