ESP8266-AirQuality

Multi-sensor DIY air quality gathering and reporting node. See the Less Smog project for more details. Based on the immensely popular ESP8266.

How do I put one together?

See Instructions.

• D1 - SDA
• D2 - SCL
• D5 - PM Sensor TXD
• D6 - PM Sensor RXD
• VU - PM Sensor +5V
• G - GND

Must have

• DIY instructions for putting one together yourself
• feature: report detected sensor during hello
• feature: channel with sticky messages about firmware versions etc
• feature: MDNS advertising (for easier configuration)
• feature: Easy WiFi configuration (YellowCanary_MAC_ADDRESS)
• feature: topic for sending diagnostics (errors, etc)
• feature: BME280 support

Improvements

• Calculate average & stddev and report

Nice to have

• feature: be able to tell PMS5003 apart from PMS7003
• feature: detect other nodes on the network, and advertise via MDNS accordingly
• feature: Reporting over HTTPS (when MQTT is filtered out)
• sensor: Sharp GP2Y10

Done

• bug: handle a case when temp/humidity sensor is not connected
• sensor: Plantower PMS3003
• feature: LED air quality indicator
• feature: auto-detect a connected sensor and configure
• sensor: Nova Fitness SDS011
• sensor: Plantower PMS7003
• sensor: Plantower PMS5003
• feature: Reporting over MQTT
• feature: OTA updates
• sensor: HTU21D
• feature: a 'hello' callback to indicate the node has been restarted

LICENSE

TBD