Desa Rancatungku terletak di kecamatan Pameungpeuk, kabupaten Bandung. Desa Rancatungku merupakan desa pecahan dari sesa Bojongkunci, Kecamatan Pameungpeuk. Data statistic menyebutkan sebanyak 43% masyarakat desa ini belum bekerja atau menjadi buruh lepas harian di industri yang berada di sekitar desa. Dengan kepadatan sebesar 3.723 jiwa per km2, potensi physical contact antar masyarakat menjadi cukup besar. Masyarakat desa ini juga masih memiliki kebiasaan membuang sampah di sungai yang membelah desa. Di masa pandemi COVID-19 ini, dua masalah tersebut dapat memicu transmisi lokal. Untuk itu dibutuhkan media sebagai sarana edukasi agar masyarakat dapat beraktifitas dengan memperhatikan rambu-rambu kesehatan agar terhindar dari COVID-19 dan berpartisipasi aktif memutus transmisinya. Media berupa materi cetak dan interaktif dibuat oleh tim dari akademik Universitas Telkom dan akan disosialisasikan melalui perangkat desa dan tenaga ahli. Selain itu, akan diserahkan beberapa perangkat kesehatan untuk membantu masyarakat desa dalam menghadapi pandemi ini.
Nowadays, the human need for electrical energy is getting higher. Due to the declining supply fuel, many efforts have been studied to find renewable energy. One of the studies is building a power generator system that comes from daily human activities. This paper proposes a human footstep power generator using ultrasonic sensor HC-SR04. Only by doing a simply walking on the ground floor, electrical energy can trigger. An HC-SR04 sensor measuring the spring distances from the footstep and activates the motor drive relay and generator that converts mechanical energy into electrical energy and stored in a battery. The test results state that the deeper of a footing step on the floor surface, the greater distance produced and the higher voltage can be generated. The footstep can trigger 7.5 V-8.8 V. Full battery condition can be used to turn on two pieces of 2-watt LED lamps for approximately 5 hours.
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