Rancang Bangun Alat Ukur Kadar Gula Darah Non-Invasive Berbasis Mikrokontroler AT89S51 dengan Mengukur Tingkat Kekeruhan Spesimen Urine Menggunakan Sensor Fotodioda

Authors

  • Eko Satria Jurusan Fisika Universitas Andalas
  • Wildian - Jurusan Fisika Universitas Andalas

DOI:

https://doi.org/10.25077/jfu.2.1.%25p.2013

Abstract

Penelitian ini dilakukan untuk menghasilkan alat ukur gula darah non-invasive, yaitu alat yang dapat mengukur kadar gula darah tanpa harus menguji dan memeriksa darah secara langsung tetapi menggunakan urine sebagai spesimen berbasis mikrokontroler AT89S51 menggunakan sistem sensor yang terdiri dari LED infrared dan fotodioda. Kemudian hasil pengukurannya ditampilkan pada LCD karakter 2x16. Penelitian ini dilakukan di laboratorium Elektronika dan Instrumentasi Jurusan Fisika Universitas Andalas. Pengambilan sampel urine dilakukan di Rumah Sakit M. Djamil Padang. Aalt ini bekerja dengan mengindera tingkat kekeruhan dari spesimen urine yang telah direaksikan dengan larutan benedict. Kekeruhan spesimen urine akan meyebabkan intensitas cahaya inframerah yang diterima oleh sensor fotodioda berkurang. Penurunan intensitas cahaya yang diterima oleh sistem sensor ini menyebabkan kenaikan tegangan keluaran sistem. Hasil pengukuran kadar gula darah dengan alat yang dibuat kemudian dibandingkan dengan kadar gula darah hasil analisis laboratorium Rumah Sakit. Aalat yang dibuat mempunyai kesalahan relatif maksimum sebesar 9,8%.

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Published

2013-01-01

How to Cite

Satria, E., & -, W. (2013). Rancang Bangun Alat Ukur Kadar Gula Darah Non-Invasive Berbasis Mikrokontroler AT89S51 dengan Mengukur Tingkat Kekeruhan Spesimen Urine Menggunakan Sensor Fotodioda. Jurnal Fisika Unand, 2(1). https://doi.org/10.25077/jfu.2.1.%p.2013

Issue

Vol. 2 No. 1: Januari 2013

Section

Articles

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Copyright (c) 2013 Eko Satria, Wildian -

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