Scream-Activated Smart Switch: A Pointless Yet Fun Project
2025-05-10
Tired of yelling at Siri or Alexa? This project details a scream-activated smart switch. Using a Sonoff S31 smart switch and an INMP441 microphone, along with ESPHome and Arduino code, the author created a system that controls the switch by detecting sound frequency and amplitude. While using ESPHome might be overkill, the project is straightforward, requiring no internet connection. Future iterations plan to improve hardware selection and explore further applications, such as controlling garage doors or changing light colors.
Read more
Hardware
voice control