RANCANG BANGUN ALAT UKUR KONSENTRASI MOLECULARLY IMPRINTED POLYMER (MIP) NANO KAFEIN BERBASIS ARDUINO NANO

PRATAMA, ADFAN AGUS and Royani, Idha and Saleh, Khairul (2020) RANCANG BANGUN ALAT UKUR KONSENTRASI MOLECULARLY IMPRINTED POLYMER (MIP) NANO KAFEIN BERBASIS ARDUINO NANO. Undergraduate thesis, Sriwijaya University.

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Abstract

ABSTRAK Konsumsi kafein secara berlebihan dapat memberikan dampak negatif terhadap tubuh. Oleh karena itu, penting dirancang sebuah alat ukur yang dapat mendeteksi nilai konsentrasi dari kafein ini. Alat ukur konsentrasi yang dibuat pada penelitian ini berbasis Arduino nano. Secara prinsip kerja alat ukur ini akan mendeteksi beda potensial pada kedua elektroda hasil aktivitas ion yang terjadi akibat adanya pengisian rongga – rongga pada membran Molecularly Imprinted Polymer (MIP) nano kafein. Kemudian hasil dari tegangan yang diukur oleh modul ADS1115 akan dikonversi kedalam bentuk konsentrasi oleh program dan ditampilkan nilainya di OLED LCD. Selain pengukur tegangan ADS1115 pada alat ini dilengkapi juga sensor suhu tahan air DS18B20. Hasilnya alat ukur konsentrasi kafein yang telah dirancang memiliki range pengukuran sebesar 0,1 – 20 ppm dan memiliki ketelitian mencapai hingga 〖10〗^(-7) Volt. Selain itu pada suhu larutan kafein sebesar 80 ℃ memiliki tingkat pembacaan alat ukur yang lebih baik dibandingkan dengan dengan suhu larutan kafein sebesar 50℃ dan 30℃. Kata Kunci: Arduino nano, ADS1115, konsentrasi, kafein, Molecularly Imprinted Polymer (MIP) ABSTRACT Excessive consumption of caffeine can have a negative impact on the body. Therefore, important to design a measuring instrument that can detect the concentration value of this caffeine. The concentration measuring instrument made in this study is based on Arduino nano. In principle, this measuring instrument will detect potential differences in the two electrodes resulting from ionic activity that occurs due to the filling of cavities in the nano Molecularly Imprinted Polymer (MIP) membrane of caffeine. Then the results of the voltage measured by the ADS1115 module will be converted into concentration by the program and displayed in OLED LCD. In addition to the ADS1115 voltage gauge this device is also equipped with a waterproof temperature sensor DS18B20. The result is a caffeine concentration measurement tool that has been designed to have a measurement range of 0.1-20 ppm and has accuracy reaching up to 〖10〗^(-7) Volts. In addition, the caffeine solution temperature of 80 ℃ has a better reading level than the caffeine solution temperature of 50 ℃ and 30 ℃. Keywords: Arduino nano, ADS1115, concentration, caffeine, Molecularly Imprinted Polymer (MIP)

Item Type:	Thesis (Undergraduate)
Uncontrolled Keywords:	Arduino nano, ADS1115, konsentrasi, kafein, Molecularly Imprinted Polymer (MIP)
Subjects:	Q Science > QC Physics > QC501-(721) Electricity
Divisions:	08-Faculty of Mathematics and Natural Science > 45201-Physics (S1)
Depositing User:	Users 6497 not found.
Date Deposited:	24 Jul 2020 08:14
Last Modified:	24 Jul 2020 08:14
URI:	http://repository.unsri.ac.id/id/eprint/31521

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