A low cost DIY sound pressure level sensor for enabling environmental noise awareness. https://lukasschwarz.org/noise-sensor
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A low cost DIY sound pressure level sensor for use by laymen; the result of my master’s thesis. It allows integration into the existing senseBox framework but can also function on its own. It’s merely a prototype and there obviously is room for improvement.

  • Uses a STM32G071 (ARM Cortex-M0+)
  • Uses a Knowles I²S MEMS microphone
  • Uses a RFM95 LoRa module (not in WAN mode)

Green printed circuit board inside a propped up white 3D printed case.

Link to the more detailed article