A low cost DIY sound pressure level sensor for enabling environmental noise awareness.
https://lukasschwarz.org/noise-sensor
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Lukas
b9df9eeb21
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4 years ago | |
|---|---|---|
| Arduino @ c12eaf2651 | 4 years ago | |
| ESP32 @ 1966efbfbd | 4 years ago | |
| KiCad | 4 years ago | |
| STL | 4 years ago | |
| STM32 | 4 years ago | |
| README.md | 4 years ago | |
| case.jpg | 4 years ago | |
| thesis.pdf | 4 years ago | |
README.md
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][0] 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)
This repository includes
- STL files for the case
- Schematic and PCB layout files
- STM32 code for the G071 microcontroller
- An Arduino library to be used with the senseBox MCU
- An ESP32 library to be used as an alternative to the senseBox MCU
Link to the more detailed article [0]: https://sensebox.de/en/