its been years sense i used the prop. I have the dev board (version 1) and need to send out serial comm (using the on develop board max chip) a RS232 string that will change every 5 min or so. I have a 2x2 video matrix switcher that will change inputs (HDMI1,HDMI2,HDMI3 & HDMI4) with a serial input command in Hex. I tried looking for a code to modify on OBEX but it is unreachable. Thanks in advance!!