ABSTRAk Generasi milenial yang sebagian besar merupakan pelajar SMP dan SMA lebih banyak menghabiskan waktunya dengan gadget. Banyak pelajar masa kini sulit memahami pelajaran yang dipelajari di sekolah sehingga sampai di rumah mereka kembali sibuk dengan gadget-nya masing-masing dan melupakan topik pelajaran yang telah dipelajari di sekolah. Oleh karena itu, kebanyakan orangtua menyadari hal tersebut sehingga memberikan pelajaran tambahan bagi anak-anaknya dengan mendaftarkan anak-anaknya ke lembaga-lembaga bimbingan belajar (bimbel) terkenal ataupun mencari guru-guru les privat. Dengan semakin berkembangnya m-learning, siswa tidak perlu lagi harus datang ke lokasi bimbel karena Mereka bisa belajar kapanpun mereka mau setiap mereka membawa laptop atau smartphone dengan mengakses bimbingan belajar online (bimbel online). Ruangguru hadir sebagai salah satu alternatif bimbel online yang dapat dengan mudah diakses melalui smartphone, laptop ataupun tablet. Beberapa fitur unggulan seperti RuangUji, Ruang Latihan, Ruang Video, RuangLes, RuangLesOnline, Digital Boot Camp dan Edumail memungkinkan siswa untuk meng-upgrade kemampuan belajarnya sehingga diharapkan dapat mencapai hasil yang diinginkan. Kata Kunci: m-learning, ruang guru. ABSTRACT Millennial generations, mostly junior and senior high school students are spending much more of their time with gadgets. Nowadays, many students find it hard to understand their school lessons then neglect them at home. Parents realize this problem then help their children by enrolling them in tutoring agencies or seeking private tutors. With the development of m-learning, students no longer need to come to the location of guidance because they can learn whenever they want each they bring a laptop or smartphone by accessing online tutoring. Ruangguru presents as one of alternative online tutoring media can be easily accessed via smartphone, laptop or tablet. Ruangguru provides some excellent features such as RuangUji, RuangLatihan, RuangVideo, RuangLes, RuangLesOnline, DigitalBootCamp dan Edumail allow students to upgrade their learning abilities so that they are expected to achieve the desired results. Key Words: m-learning, ruangguru.
COVID-19 virus have affected educational activities to be carried out through e-learning. Discord and Google Jamboard offer advantages in delivering synchronous e-learning. The purpose of this research is to implement e-learning of Physics 1 course using Discord integrated with Google Jamboard and Powerpoint. In this research, we used qualitative-descriptive method which conducted in several steps, i.e: (1) Discord installation and Physics 1 Class preparation; (2) Virtual Tablet Server installation and its testing for mobile phone; (3) Learning materials preparation in Powerpoint; (4) Implementation of Physics 1 Class using Discord integrated with Google Jamboard and Powerpoint; (5) Evaluation of the results and (6) Surveying of student’s opinion about e-learning using using Discord integrated with Google Jamboard and Powerpoint. Discord can be used as an alternative e-learning tool because of its practical use as well as more powerful when integrated with Google Jamboard and Powerpoint, especially for mathematical-analytics subject such as Physics. This is supported by the results of a survey in which 34 out of 39 students said they wanted to use Discord and Google Jamboard for other mathematical-analytics subjects.
One of the implementation of advances in information and communication technology that can be used for online exam is the iSpring Quiz Maker. This research aims to: (1) determine the feasibility of iSpring Quiz Maker as the online exam tool of physics worklab; (2) determine the student interest responses in using iSpring Quiz Maker as the online exam tool of physics worklab; as well as (3) determine the effectiveness of iSpring Quiz Maker as the online exam tool of physics worklab. The method of this research is research and development (R & D) by applying the ADDIE (analysis stage, design stage, development stage, implementation stage and evaluation stage) model. The results showed that: (1) iSpring Quiz Maker is very feasible as physics worklab online exam tool based on the assessment of both material and media expert validators; (2) Students are very interested in using iSpring Quiz Maker as physics worklab online exam tool; and (3) iSpring Quiz Maker has not been effective as physics worklab online exam tool because the percentage of the total students who got score of 50 is 77.6% while the percentage of the total students who got score > 50 is 22.4%.
Tujuan penelitian ini untuk merancang dan mengimplementasikan prototype sistem otomatisasi pada sel electrolyzer sehingga dapat diperkirakan pengaturan tegangan, waktu alir arus listrik dan konsentrasi cairan elektrolit yang optimal dalam menghasilkan gas Brown. Perangkat keras yang digunakan adalah sel electrolyzer tipe wet cell, bubbler dan rangkaian elektronika sistem otomatisasi. Komponen-komponen rangkaian elektronika sistem otomatisasi yang digunakan yaitu Arduino Nano R3, sensor suhu DS18B20, sensor suhu DHT11, LCD, buzzer, relay, power supply adjuster, kipas, konektor dan LED. Sel electrolyzer dapat berfungsi dalam menghasilkan gas Brown baik pada tegangan 5V, 10 dan 15 V serta pada konsentrasi elektrolit 1% dan 5%. Kemudian, sistem otomasi memberikan perkiraan kinerja optimal sel electrolyzer pada tegangan 15V, konsentrasi cairan elektrolit 5% dan waktu alir arus listrik sebesar 1,5 detik. Setelah mencapai kondisi tersebut, maka sel electrolyzer mulai bekerja lagi setelah suhu sudah turun kurang dari 50 OC.
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