Based on the work of Open Green Energy. https://www.instructables.com/id/Solar-Powered-WiFi-Weather-Station-V20/ Authors of the base code: Keith Hungerford and Debasish Dutta - Excellent work, gentlemen!
Major changes:
- simplified, restructured code (used Adafruit libraries for BME280 instead, sorry for this Keith)
- added relative pressure, dewpoint, dewpoint spread and heatindex calculations
- allow Blynk, ThingSpeak and MQTT data transmission
- redesigned box (simplified printing, less plastic usage, full snap-in)
- available languages
- English
- German
- Italian (Chak10)
- Polish (TomaszDom)
Changes in V2.3
- included famous Zambretti forecaster (see Blynk example)
- added translation table for Zambretti forecast
- added multi language feature
Changes in V2.31
- added Dewpoint Spread
- fixed some minor things
- added Zambretti forecast in Thingspeak (thank you ThomaszDom)
Changes in V2.31 (MQTT version)
- allows to publish data to MQTT broker (alternative .ino file)
Changes in V2.32
- Battery monitoring and going to hibernate if battery low (battery protection)
- Warning text will be shown instead of Zambretti prediction if batt low
Print the box yourself: https://www.thingiverse.com/thing:3551386
Blynk Example (here: German version):
Blynk project settings. Get Blynk in AppStore or GooglePlay and scan QR Code. You might need to purchase Blynk energy to load full project.
Showing the data on a LED display: https://github.com/3KUdelta/MDparola_MQTT_monitor
Node-Red example showing MQTT messages on dashboard.
ThinkSpeak Example (ThingView iOS):
