P-wave detection

Home Assistant combined with a HappySmart earthquake sensor detects P-waves, alerts instantly, closes gas valves, activates lights, and unlocks doors automatically without waiting for human input.

How do earthquake sensors detect seismic waves? What is the difference between P-waves and S-waves? And what technology does HappySmart use to protect your home?

Thailand has over 15 active fault lines. Knowing which earthquake risk level your home falls into helps you prepare correctly and in time.