This object is connected to toto and will bink all letters sent using mqtt.
The code is written for the nano_33_iot. You can change this in the platformio.ini.
The led's that blink are hardcoded in setup and setLeds functions.
To connect the object with wifi and with toto you need to copy the secrets.h.example to secrets.h and fill it in with the wifi name, password and toto credentials.
After that, you can send letters to the blinker using mqtt.