Please Note: All the schematics on this site are designed by myself or have been contributed. Where possible I prefer to host circuits on Circuit Exchange instead of external links. My site is very widely copied across the internet and you may see the same circuits on other sites, however they should include a reciprocal link. The latest additions or circuit modifications will always appear here first.
Most schematics on this site use SI Notation. The newest circuits, in date order are listed on the update page. For any circuit questions you may find an answer from my help page or from google. Some frequently asked questions are also answered on my help page. Thank you for visiting Circuit Exchange International.

Last update Saturday 28^th January 2012