ADITYA, GRAHADI GANANG and Assaidah, Assaidah and Royani, Idha (2025) RANCANG BANGUN ALAT UKUR KONSENTRASI ION Pb(II) BERBASIS MIKROKONTROLLER ARDUINO UNO R3 DAN KOMUNIKASI DATA VISIBLE LIGHT COMMUNICATION (VLC). Undergraduate thesis, Sriwijaya University.
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Abstract
A Pb(II) ion concentration measurement device has been designed using the potentiometric method with an Arduino UNO R3, integrated with data communication via Visible Light Communication (VLC) using a red laser and a solar cell. The Pb(II) ion concentration value is obtained by converting the voltage measurement results from the ADS1220. The developed measurement system is capable of detecting Pb(II) ion concentrations with a precision of 0.1 ppm, an accuracy of 99.03851%; a relative standard deviation (RSD) of 0.68123%; an error rate of 0.96149%; a correlation coefficient (r) of 0.99018; a coefficient of determination (R²) of 0.98045; and an intercept value (a) of 0.05603. Bidirectional VLC communication was successfully implemented using two modems, where Modem 1 functions as a controller to instruct Modem 2 to collect data and subsequently transmit the Pb(II) ion concentration measurement results back to Modem 1. The solar cell, serving as the receiver, exhibits a frequency response to the red laser as a data carrier up to 20 Hz, achieving a data rate of 40 bps using 2-PWM modulation with a 50 ms pulse width. The VLC system enables data transmission of Pb(II) ion concentration measurements over a distance of up to 100 meters in an air medium and 3 meters in a clear water medium. Keywords: Pb(II), Arduino UNO R3, Ion Imprinted Polymers (IIPs), Laser, Solar Cell, VLC
| Item Type: | Thesis (Undergraduate) |
|---|---|
| Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK5101-6720 Telecommunication Including telegraphy, telephone, radio, radar, television > TK5103.59.A37 Optical communications Fiber optics T Technology > TP Chemical technology > TP1080-1185 Polymers and polymer manufacture > TP1180.P67.A38 Polyolefins. Nanocomposites (Materials) Fillers (Materials) TECHNOLOGY & ENGINEERING / Material Science TECHNOLOGY & ENGINEERING / Textiles & Polymers |
| Divisions: | 08-Faculty of Mathematics and Natural Science > 45201-Physics (S1) |
| Depositing User: | Grahadi Ganang Aditya |
| Date Deposited: | 19 Mar 2025 14:12 |
| Last Modified: | 19 Mar 2025 14:12 |
| URI: | http://repository.unsri.ac.id/id/eprint/169438 |
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