BME280

Adafruit BME280 & ESP32 or ESP8266 HA/MQTT Sensor Publisher

Attribution

• Adafruit - https://www.adafruit.com/product/2652
• knolleary - https://github.com/knolleary/pubsubclient
• dawidchyrzynskin - https://github.com/dawidchyrzynski/arduino-home-assistant
• me-no-dev - https://github.com/me-no-dev/ESPAsyncWebServer
• ayushsharma82 - https://github.com/ayushsharma82/ElegantOTA
• khoih-prog - https://github.com/khoih-prog/ESP8266TimerInterrupt

ESP32 Integration Notes

ESP32-D0WD-V3 (revision v3.0) 4MB Flash - NOT PICTURED

ESP8266 Integration Notes

Wemos d1_mini, etc

Highlights

Captive Portal Setup

Flexible Configuration Options

Home Assistant Integration via MQTT

NWS Weather Station Query for Sealevel Barometer (US only)

https://www.weather.gov/documentation/services-web-api#/default/station_observation_latest https://w1.weather.gov/xml/current_obs/index.xml

Filesystem & Flash Web OTA