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The Instagram Comics as Learning Media Alternative to Improve Learning Materials on Light Refraction during the COVID-19 Pandemic Salsabilla, Sasqia Shafa; Pratama, Bagus; Pangestu, Dimas Aji; Setiaji, Bayu
Impulse: Journal of Research and Innovation in Physics Education Vol. 2 No. 1 (2022): Impulse: Journal of Research and Innovation in Physics Education
Publisher : Pendidikan Fisika FITK UIN Sunan Kalijaga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/impulse.2022.21.05

Abstract

In the era of the Covid-19 pandemic, teaching and learning processes were not allowed to be carried out directly or face to face but could be carried out indirectly or remotely. This requires teachers to be able to use existing technology along with the times. One trend that is currently emerging is the use of social media as a learning medium. This study develops one of the learning media using comics with the help of social media, Instagram. This study aims to determine the level of feasibility of Instagram comic-based learning media as an alternative to learning during the Covid-19 pandemic to increase students' learning motivation on light refraction material. The research method used is the research and development method with the 4D model method. The findings of this study are that Instagram comics can be used as an alternative learning media during the covid-19 pandemic to increase students' learning motivation on light refraction material. Based on the stages that have been carried out, the results of the feasibility test of the Instagram comic learning media product are declared very feasibly.
DEVELOPMENT OF A PORTABLE MOTOR VEHICLE EMISSION TEST SYSTEM BASED ON ARDUINO WITH ANDROID INTERFACE Indah, Nur; Pangestu, Dimas Aji; Utomo, Satryo Budi; Youlia, Rikko Putra
International Journal of Innovation in Mechanical Engineering and Advanced Materials Vol 5, No 2 (2023)
Publisher : Universitas Mercu Buana, Prodi S2 Teknik Mesin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/ijimeam.v5i2.18832

Abstract

This study takes a comprehensive approach by proposing the design of an innovative emission test tool for motorized vehicles. The primary objective of this tool's design is to establish an alternative emission testing apparatus based on Arduino AT-Mega 2560, proficient in capturing vehicle exhaust emissions. The underlying methodology involves an in-depth investigation of various components, including the MQ2 and MQ7 sensors, microcontrollers, and supplementary sensors. This meticulous observational process aims to unravel the fundamental principles that govern the functionality of these components. Subsequently, the study advances to the prototyping phase, manifesting in the creation of an Android-based emission test system. This system capitalizes on the integration of Arduino programming and App Inventor technology. The integrated system is devised to facilitate sensor data acquisition. The empirical results of the tests indicate that the developed tool effectively measures hydrocarbon gas and carbon monoxide gas concentrations, yielding readings of 6.31% and 3.73%, respectively, under engine conditions ranging from 1500 to 3000 rpm with error in regions 1.4% and 5.1% compared to a commercial instrument. However, during the testing phase, certain challenges surfaced. Notably, the presence of water particles within the tool, coupled with the generation of heat due to the accommodated exhaust gases, increased the temperature within the tool's enclosure. Consequently, the sensors' temperature escalated, resulting in erratic sensor behavior and unstable readings. Nonetheless, a significant advantage of the proposed tool lies in its real-time data visualization capability, which is particularly accessible through Android smartphones. This feature enhances the immediacy of test results, facilitating prompt analysis and decision-making. In conclusion, this study lays the groundwork for an innovative emission testing tool that demonstrates promise in addressing the air quality degradation stemming from vehicular emissions.