Very creative, I did bring out a morse code translator and the hexadecimal color search to decode the messages and the code pattern, which was fun to do to get to the end. I also really liked the prompt at the end, which reminded me of one of the Nier's endings.
I guess my character would have sent out: .. / .- -- / . .- - .. -. --. / -.-. .... .. .--. ... / .- -. -.. / ... .- .-.. ... .- --..-- / .- -. -.. / .. / .- -- / .- .-.. .-.. / --- ..- - / --- ..-. / -.-. .... .. .--. ...