Handhelds
Developing and deploying applications on mobile platforms
	Keyboard
Advanced topics on interacting with the keyboard.
	Parallel Port
How to communicate with external devices using the parallel port.
	Telephony
Stuff on modems, ISDN, and other forms of telephone communication.
	Lego Mindstorms Internals
An unofficial Lego site explaining how to program Lego Mindstorms using amongst others Visual Basic. Several available ActiveX controls are listed, both from Lego and from third parties.