Another non-trivial, but hidden limitation is that all interrupts are disabled during most of the transmission of each character ... code is released under the GNU Lesser Public License (LGPL 2.1) -- ...

This library provides a simple device independent interface for interacting with Adafruit IO using Arduino. It allows you to switch between WiFi (ESP8266, ESP32, ESP32-S2, ESP32-S3, ESP32-C3, RP2040, ...