You can easily use Python together with template files, etc., to create an encoder that will allow you to create whatever behavior you want in the Arduino board that can be driven from a fixed text ...

The protocol is defined in arduino/protocol.h. This header is a somewhat stripped down version of the serial_factory project, to compensate for the limited C++ standard library implementation ...

Previously Arduino Cloud allowed the creation of devices based on Arduino or ESP32/ESP8266 hardware, with automatic sketch creation in C/C++ using the Arduino IoT Cloud library.