todo

mqtt links:
https://slashposts.com/2018/04/mqtt-pubsubclient-tutorial-for-arduino-esp8266-esp32/


Make "connection lost" message for the display
Add yr weather display

json example: people in space:
http://api.open-notify.org/astros.json

Full details on the ESP32 board from Adafruit:

https://learn.adafruit.com/adafruit-huzzah32-esp32-feather

The driver for the board is linked to in their documentation:

https://learn.adafruit.com/adafruit-huzzah32-esp32-feather/using-with-arduino-ide

Direct link for the driver, this driver is the same one needed for
all the ESP (wifi) boards:

https://www.silabs.com/products/development-tools/software/usb-to-uart-bridge-vcp-drivers

Libraries to download and put in ~/Documents/Arduino/libraries (on OSX, anyway):

https://github.com/ladyada/Adafruit_CharacterOLED
https://github.com/arduino-libraries/NTPClient