the arduino must communicante with a GPS (nmea messages).
when connected at 115200 i Can receive all message correctly from the GPS. Unfortunately sending commands to the GPS failed. i replaced the GPS by HyperTerminal in order to check what was transmitted, and i notices that some transmitted chars are "corrupted".
the code is nothing else than:
i also add the Line:
in ordre to check on the serial monitor, it is well,transmitted at 115200 on This port!!!
i Can post ail the complète code but it is quite long & complexe