RANCANG BANGUN ALAT PENDETEKSI GEMPA BUMI DI PANTAI INDRAYANTI YOGYAKARTA BERBASIS INTERNET OF THINGS (IOT)

Darucandra, Nawa (2022) RANCANG BANGUN ALAT PENDETEKSI GEMPA BUMI DI PANTAI INDRAYANTI YOGYAKARTA BERBASIS INTERNET OF THINGS (IOT). Skripsi thesis, Institut Teknologi Dirgantara Adisutjipto.

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Abstract

Indrayanti Beach is a rocky beach located in Tepus Village, Tepus District, Gunungkidul Regency, Yogyakarta Special Region Province. On holidays Indrayanti Beach becomes a tourist attraction that is visited by tourists. Earthquakes are one of the natural phenomena that can occur at any time and occur naturally. An earthquake that has a large strength is very dangerous for coastal settlements, this is related to the Tsunami disaster. To minimize the impact of an earthquake, the author will conduct research by making a design tool that can monitor and detect earthquakes in the Indrayanti Beach area. This earthquake detector consists of various components, namely Wemos D1 Mini as a microcontroller, ADXL345 accelerometer sensor, LCD I2C 16x2 as a reading display, Buzzer as a sound indicator, Telegram application as a notification receiver for earthquakes, and Web Thingspeak as a tool for monitoring earthquake charts. . Wemos D1 Mini will be used as a data processor generated by the ADXL345 sensor. The ADXL345 sensor functions to produce vibration values that occur due to vibrations or earthquakes. The ADXL345 accelerometer sensor detects earthquake vibrations from the x, y, and z acceleration axes. The results from the ADXL345 sensor reading data will be converted to PGA values so that they are equivalent to the range of the Earthquake Intensity Scale (GIS) reference table from the Meteorology, Climatology and Geophysics Agency (BMKG). After conducting three experiments with vibration simulations, three conditions occurred, namely in the PGA value range = 89-168 SIG III earthquakes (Mild Earthquakes) were detected, in the PGA values range = 169- 564 SIG IV earthquakes (Medium Earthquakes) were detected, and at PGA values > 564 SIG V earthquakes were detected (Strong Earthquake).

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