Si7021
- Datasheets / ref from Adafruit: https://learn.adafruit.com/adafruit-si7021-temperature-plus-humidity-sensor/downloads
- Library tutorial from Adafruit: https://learn.adafruit.com/adafruit-si7021-temperature-plus-humidity-sensor/arduino-code
- Datasheet: https://cdn-learn.adafruit.com/assets/assets/000/035/931/original/Support_Documents_TechnicalDocs_Si7021-A20.pdf
- Interesting post showing how to protect such sensor against liquids/dust by using some teflon tape around it: https://makezine.com/projects/bees-sensors-monitor-hive-health/
