Well, I hadn't thought of that! It reminded me of my MSX programming days. :D
I'll try your proposal and I'll let you know.
Thank you very much @world101 for your reply.
@uecken Replace the text box containing the URL with an unescaped text box. That way, the URL won't get truncated. See also this post: HTTP GET query parameters
@mario Me interesa este proyecto, mi idea es algo parecido necesito enviar datos de un M5StickC a un servidor. Voy apenas iniciando aquĆ, pero este proyecto tuyo me interesa aun que no llego a donde tu estas aun. Saludos.