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An earthquake detector   An earthquake detector is a device that can detect seismic waves and alert people to the presence of an earthquake .how to make an earthquake detector at home .  Here are the steps to make a simple earthquake detector at home . 1. Materials Required: To build your earthquake detector, you will need a few simple materials, such as:  A sensor with an accelerometer  A breadboard with jumper wires  A microcontroller board (like Arduino) An Arduino-compatible computer with software installed;  A USB cord for power and programming; NE555 2. Attach the accelerometer sensor to the microcontroller: Use a jumper wire and a breadboard to attach the accelerometer sensor to the microcontroller. The accelerometer sensor will identify variations in acceleration and movement. 3. Programming the microcontroller Coding the microcontroller to read data from the accelerometer sensor and find seismic waves can be done using the Arduino software. It can be set up to send an al