Pengembangan Alat Praktikum Tumbukan Menggunakan Mikrokontroler, Sensor Ultrasonik, dan Lintasan Air Track

Khaerul Umam*  -  Universitas Negeri Semarang, Indonesia
Hartono Hartono  -  Universitas Negeri Semarang, Indonesia
Sulhadi Sulhadi  -  Universitas Negeri Semarang, Indonesia

(*) Corresponding Author

Momentum is one of the physics topics that students can better understand with practical activities. The problem found in using the ticker timer as a speed gauge in the collision practicum is that the measurement process interferes with the system being measured. This research develops a collision practicum tool using a microcontroller and ultrasonic sensor as a distance recorder. The glide track used is an air track. Based on the research conducted, it can be concluded that the collision practicum tool with a microcontroller and a glide track in the form of an air track can work well. The distance recorder or DRD is capable of recording distances every 0.2 seconds. The ultrasonic sensor as a gauge has an accuracy of 99.6% and a relative error of 0.56% for sensor 1. Meanwhile, sensor 2 has an accuracy of 99% and a relative error of 0.85%. Through the distance data obtained, it is possible to obtain an increase in momentum before and before the collision.

Keywords: Collision; Microcontroller; Ultrasonic sensors; Air track.

  1. Halliday, D., & Resnick, R. 2010. Fisika Dasar, Edisi Ketujuh Jilid 1. Jakarta: Erlangga.
  2. Huda, I., Sudarmanto, A., & Khalif, M. A. 2016. Pembuatan Alat Praktikum Tumbukan Linear dengan Mikrokontroler. Prosiding Seminar Nasional MIPA 2016, 207–219.
  3. Istinganah, Y., Syam, M., & Zulkarnaen. 2021. Pemanfaatan Laboratorium Fisika dalam Pembelajaran Fisika, Studi Kasus di SMA Negeri 1 Sendawar dan SMA Negeri 1 Liggang Bigung Kabupaten Kutai Barat. Jurnal Literasi Pendidikan Fisika, 2(1): 23–33.
  4. Lusia, R., & Rahardjo, D. T. 2017. Ticker Timer Dengan Penghitung Waktu Otomatis Menggunakan Timer Le8n Series. Jurnal Materi Dan Pembelajaran Fisika (JMPF), 7(2): 63–68.
  5. Mughny, A., & Rahmawati, E. 2016. Rancang Bangun KIT Percobaan Konservasi Momentum Berbasis Mikrokontroler. Jurnal Inovasi Fisika Indonesia, 5(3): 9–14.
  6. Rosa, G. C., Cari, C., & Aminah, N. S. 2017. Tingkat Pemahaman Konsep Mahasiswa Pendidikan Fisika Universitas Sebelas Maret pada Materi Momentum. Prosiding SNFA (Seminar Nasional Fisika Dan Aplikasinya) 2017, 74–84.
  7. Rosyadi, F. 2018. Kajian Tumbukan Sentral dan Tak Sentral pada Permainan Billiards Sebagai Rancangan Bahan Ajar Fisika SMA. Seminar Nasional Pendidikan Fisika 2018, 3: 127–134.
  8. Sobari, A., & Sucahyo, I. 2016. Pengembangan Alat Peraga Ticker Timer sebagai Media Pembelajaran Fisika Pokok Bahasan Gerak Lurus. Jurnal Inovasi Pendidikan Fisika (JIPF), 5(3): 154–160.
  9. Suari, M. 2018. Pengujian Sensor Jarak HC-SR04 Pada Percobaan Gerak Lurus Suatu Benda. Natural Science Journal, 4(2): 686–699.
  10. Triaga, E., Yulkifli, & Yohandri. 2017. Pembuatan Air Track untuk Eksperimen Kinematika dan Dinamika Berbasis Mikrokontroler Atmega328. Pillar of Physics, 10: 14–22.
  11. Wantoro, K., Sudjito, D., & Rondonuwu, F. S. 2016. Pemanfaatan Kamera Smartphone dan Eyetracking Analysis pada Percobaan Kinematika Di Atas Landasan Udara Dua Dimensi. Unnes Physics Education Jurnal, 5(1): 49–55.
  12. Yohandri. 2013. Mikrokontroler dan Antar Muka. Padang: UNP.

Open Access Copyright (c) 2021 Physics Education Research Journal
Creative Commons License
This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.

 

 
apps