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Goal

To provide a cheap and easy particulate matter sensor build. To measure air quality as a truly grass roots citizen science project. https://luftdaten.info/en/home-en/

Table of contents

• Components supply
• Installing firmware
• Assembly of components-(circuit)
• Assembly of parts
• Sensor configuration
• Registering with database
• Links (data visualisation, sensor data)
• APIs
• NodeMCU Pinouts v2, v3
• Data sheet, specifications
• Studies
• Similar projects

Status

https://github.com/opendata-stuttgart/meta/issues

Components

See Assembly of parts.

Recommended: NodeMCU ESP8266 (WLAN/CPU), SDS011 (PM sensor), USB power supply and flat micro USB cable, jumper wires, cable ties, drainage pipe bends.

Optional: DHT22 (temperature/humidity), BME280 (barometer/temperature/humidity), MQ135 (gas sensor - CO₂, benzene etc.)