Request for Help Developing a Braille Display Controller for ESP32 using Baum Protocol

[discapacidad5]

Could you please help me develop a controller for ESP32 that uses the Baum protocol to connect to ESP32, send information that it is a 40-character display with eight Braille cells, receive Braille data from NVDA, and display it on the ESP32's serial console? The code should connect via Bluetooth to the computer, send connection information, receive information and data via Bluetooth, and display it on the serial console.

Could someone please provide me with a working sample code that connects, sends the data about the Braille display type, receives data from the screen reader, displays it on the serial console, and provides an example of the previous and next keys to read the continuous text after the 40 characters?

I believe a code with these two keys and that displays the Braille content on the console would be enough for me to continue developing the rest of the code. I am struggling to understand how the data is sent, received, and processed, and I think that practical code would help me a lot.

I hope someone can help me with this because I cannot find any functional sample code that I can put on an ESP32 or Arduino and see a functional Braille display code. I am developing a low-cost Braille device and looking for a way to connect to the screen reader, receive and process information, but it has not been possible because I do not have much programming knowledge.