Earthquake alarm detection circuit primarily based on digital devices, it is especially useful for willpower of excessive vibrations. The system triggers an impulse when the S wave is detected by means of the earthquake sensor. The earthquake generates a shaft with load that represents a metal constructing shape that shakes vibrations when the corresponding floor wave reaches the ground. In this evaluation we have recognized the want for an electronically monitored excessive frequency detector circuit which triggers a pulse when the customary structure of the circuit with description, operation and implementation of the sensor.

Keywords : Arduino Uno ATmega328P, LM35, Piezoelectric Sensor, Vibration Sensor, Accelerometer.