a basic environment logger
- https://learn.adafruit.com/adafruit-oled-featherwing/usage
- https://learn.adafruit.com/adafruit-feather-m0-adalogger/overview
- https://learn.adafruit.com/adafruit-bme680-humidity-temperature-barometic-pressure-voc-gas
- https://wiki.dfrobot.com/Carbon_Monoxide_Gas_Sensor_MQ7___SKU_SEN0132_
- https://learn.adafruit.com/adafruit-feather-m0-adalogger/using-the-sd-card