Development of Yoghurt Incubator for Small-Scale Production using PIC16F877A Microcontroller

S.China Venkateswarlu; Rogelio B. Paguntalan; Vinyl Ho Oquino; S. China Venkateswarlu

Development of Yoghurt Incubator for Small-Scale Production using PIC16F877A Microcontroller

S.China Venkateswarlu * §

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Rogelio B. Paguntalan

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Vinyl Ho Oquino

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§ Adama Science and Technology University

Development of Yoghurt Incubator for Small-Scale Production using PIC16F877A Microcontroller

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Abstract

The largest population of livestock in Africa is found in Ethiopia. The country produces about 3.2 billion litters of milk annually from 10 million milking cows. Yogurt processing is one of the ways to prolong the shelf life of milk. Thus a low-cost yogurt incubator suitable for small scale production which was equipped with a microcontroller was developed. The main components of the incubator include the microcontroller and temperature sensor, alarm circuit, power supply circuit, and the embedded program. The incubation chamber was made of a locally available ½ inch ordinary plywood. The components were assembled and installed after the incubation chamber was constructed. The operating temperature of the incubator was set at 42 o C (±1 o C). The incubator was tested using one litter of pasteurized cow’s milk inoculated with Lactobacillus bacteria. The inoculated milk was placed in bottles and incubated for 24 hours. Results of the sensory test showed that the incubator produced a good quality yogurt comparable to that being sold in the area.

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Abebe M. Aga,Demise Mulugeta,Atsbeha Gebreegziabxier,Jemal Mohammed,Anberber Alemu,Yewenshet Tesera,Frehiwot Mulugeta,Bedasa Gidisa,Jaleta Bulti,Gemechu Tadesse,Dereje Nigussei (2010). The Impact of Vaccination on RT-PCR Cycle Threshold Values for COVID-19: Insights for Future Pandemic Preparedness.

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Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

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No ethics committee approval was required for this article type.

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Not applicable for this article.

How to Cite This Article

S.China Venkateswarlu, Rogelio Paguntalan, Vinyl Oquino, S. Venkateswarlu. 2016. "Development of Yoghurt Incubator for Small-Scale Production using PIC16F877A Microcontroller". Global Journal of Science Frontier Research, Global Journal of Science Frontier Research - D: Agriculture & Veterinary GJSFR-D Volume 16 (GJSFR Volume 16 Issue D1).

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GJSFR Volume 16 Issue D1

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Journal Specifications

Crossref Journal DOI 10.17406/GJSFR

Print ISSN 0975-5896

e-ISSN 2249-4626

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Classification

GJSFR-D Classification FOR Code: 070106

Submission ReceivedDecember 12, 2015
Peer Review Double Blind
Handling Editor
Accepted January 7, 2016
Published January 17, 2016

Version of record

v1.2

Issue date

February 24, 2016

Language

English

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Article Matrices

Total Score: 117

Country: Ethiopia

Subject: Global Journal of Science Frontier Research

Authors: Rogelio B. Paguntalan, Vinyl Ho Oquino, S. China Venkateswarlu (PhD/Dr. count: 0)

View Count (all-time): 212

Total Views (Real + Logic): 1511

Total Downloads (simulated): 89

Publish Date: 2016 01, Sun

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Total Views: 1.5K

Total Downloads: 89

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