This project sends the temperature from a (Adafruit) bmp280 sensor to an MQTT server.
- Adafruit Feather HUZZAH with ESP8266
- Adafruit bmp280
- Adafruit 0.56" 4-Digit 7-Segment Display w/I2C Backpack - Blue
https://funprojects.blog/2018/12/07/rabbitmq-for-iot/ https://microcontrollerslab.com/esp32-static-fix-ip-address/ esp8266/Arduino#3489 (comment) https://github.com/esp8266/Arduino/blob/8a64a1236f447009bd53fec4863aff9bf5428b59/libraries/ESP8266WiFi/examples/EarlyDisableWiFi/EarlyDisableWiFi.ino#L18