Daftar Isi:
  • They are many disasters in Indonesia, one of the is earthquake. There is earthquake prone in Indonesia. Need a device that gives the wearning to the earthquake. This device invented to able to detect the seismic when the earthquake alarm. This device controlled by mikrokontroler Atmega. Mikro Piezo elektrik sensor as a input, while buzzer, led, and gsm 800l as a output. In trial step, conducted to big box filled with sand and rocks, the trial was in form of tapping to the rocks in different space with different load-test of rocks. Principally, system will detect the frequency in certain size.