Link: A Design and Technology Site

This website contains numerous information sheets and exercises to enhance the study, understanding and teaching of DESIGN and TECHNOLOGY.
The site layout seems somewhat dated. However there are plenty of resources aimed at helping the Teacher of Technology with their lessons.

The information sheets cover a wide range and include, the design process, gear systems, electronics, cams, printed circuit boards, PIC microcontrollers / computer control, key words/phrases, structures, vocational work, technology and cultures, basic CNC work. They are intended to provide a valuable resource for teachers and pupils AND they are free. By using this website you are agreeing to abide by the copyright outlined below.

V. Ryan © 2002-2011
There are plenty of well designed animated Gifs and diagrams to help explain ideas: