Beyond Logic - Interfacing the PC
Beyond Logic includes detailed information on Universal Serial Bus, Serial Ports (RS232), Parallel Ports (SPP/ECP/EPP/IEEE1284), Device Drivers and more.

Falcom FSA03 Smart Antenna with uBlox 5 GPS Chipset
The Falcom FSA03 GPS module is an extremely cost effective GPS solution for embedded systems. the FSA03 includes an uBlox 5 single chip GPS module integrated with a Sarantel quadrifilar helix antenna to make a tidy single board solution.
The Old Beyond Logic Site
Ethernet & TCP/IP Interfaces, RS-232 Interfacing and Universal Serial Bus Reference pages.