Terminal Node Controller in a router
posted Jul 23rd 2010 10:00am by Mike Szczysfiled under: radio hacks, wireless hacks
[Andrew] used a DSL router to make his own Terminal Node Controller. This will become part of an APRS-IS network, an Internet-based network built by amateur radio operators. The router used here is a Dlink DSL-502T with an AVR based TNC module attached to the serial port header. The phone line connector and its accompanying hardware have been removed to make room for the TNC module, which is supplied with 12V via that red wire. When the router boots up it sends data to the serial port header so the firmware on the TNC needed some tweaking to accommodate this (yay for open source).
Want some more APRS goodness? Check out this AVR APRS tracker.
this is awesome! i love amateur radio, it seems like such an underutilized area these days.