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September 3, 2021 17:19
September 3, 2021 15:41
December 8, 2021 10:22

OpenAirMonitor

OpenAirMonitor

Work in progress

The OpenAirMonitor is a solar-powered, outdoor air quality monitor that transmits data over LoRaWAN and Bluetooth LE. It measures particulates (PM1, PM2.5 and PM10), humidity and temperature. The monitor has a STEMMA QT connector, so can be extended with other sensors.

The monitor is programmed in JavaScript over Bluetooth LE using Espruino.

The following components can be connected to the PCB:

Hardware

See this OSHWLab project for schematic, PCB layout and Bill of Materials.

The LoRa-E5 module can be obtained from Seeed Studio's webshop, or as part of their Fusion PCB Assembly Service.

Software

Upload main.js to the MDBT42Q module over Bluetooth LE using Espruino.

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