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    Item type:Publication,
    Flipped Classroom Based on Active Learning in Digital Communications Course for Science in Technical Education on New Normal
    (2023-01-01)
    Nonthaputha, Thanat
    ;
    Kumngern, Montree
    ;
    Kaewwang, Sompong
    ;
    Phookwantong, Jirapat
    ;
    Thepnarin, Nawaphol
    Even the coronavirus disease 2019 (COVID-19) situation has been extricated but it is stilled uncontrollable and spreadable and impacts widely both on economic and academic aspect. The proposed of the study is to investigate and develop the flipped classroom based on active learning for digital communications course students in science in technical education program on new normal. It is designed and focused to prepare when the uncontrollable situation will be occurring. Likewise, this can be taught face-To-face on normal situation. The samples are 70 students who registered in this course and the questionnaire was the research instrument through the simple random sampling technique. The results of this study proved that the students had the highest interested in the active learning through the flipped classroom ($x= 4.89$) and it is flexibility that also can be taught face-To-face and online learning.
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    Data Modulation Technique Using Concentration of Odor Molecules
    (2018-12-26)
    Ariyakul, Yossiri
    ;
    Wisayataksin, Sumek
    This study proposed a novel data modulation technique for digital communication by using a concentration of odor molecules. The information is encapsulated in an odor with controlled concentration levels in accordance with the binary representation of the message by using an olfactory display. The released odor is then measured by an odor sensing system where it is converted into electrical form that can be demodulated into the original data by using a digital filter and decision decoder. The experiments of sending a message by mean of odor in the UART format were performed to evaluate the possibility of the proposed molecular communication approach. The results reveal that the shape of signals detected by the odor sensor is associated with the information in the message, which confirms the reliability of data communication using this method.
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