Add Serial as a communication layer so as to transmit data to/from serial
Enable discovery of BT sensors through serial
Add serial heartbeat
Change discovery principle for interval and intervalacts, keep them always discovered and deactivate adaptivescan when changed. Instead of removing their discovery when adaptive scan is activated
Increase JSON_MSG_BUFFER_MAX as we are now using const char* and it requires more memory for Arduino Json Deserialization
Co-authored-by: Florian <1technophile@users.noreply.github.com>
* First draft of LM75 sensor based on HTU21 sensor
* Initialise I2C on ESP8266
* Add LM75 sensor to test builds
So that it will be tested with the continuous integration
