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Portable electronic device to measure air and noise pollution
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schematic/street_sense
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streetsense.py

README.md

Street Sense

Street Sense is a MicroPython based project to build a portable, battery-powered sensor unit to measure:

  • Air Quality
    • Ozone
    • NO2
    • Particulates
  • Noise Pollution
  • Environment
    • Temperature
    • Humidity

Dependencies

Hardware

Lolin D32 Pro
https://wiki.wemos.cc/products:d32:d32_pro

Micropython

fork of Loboris ESP32
https://github.com/MikeTeachman/MicroPython_ESP32_psRAM_LoBo_I2S with customizations:

MicroPython Modules

async: https://github.com/peterhinch/micropython-async/blob/master/asyn.py
uasyncio: https://github.com/peterhinch/micropython-async/tree/master/fast_io
ms_timer: https://github.com/peterhinch/micropython-async/blob/master/fast\_io/ms_timer.py
pms5003: https://github.com/miketeachman/micropython-pms5003-minimal
urtc: https://github.com/adafruit/Adafruit-uRTC
ads1219: https://github.com/miketeachman/micropython-ads1219
si7021: https://github.com/chrisbalmer/micropython-si7021

Detailed project documentation:

Street Sense Project at Hackaday IO

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