Legal information

All of the circuits, schematic diagrams, photographs, examples, and downloadable documents on this website are licensed under a Creative Commons Attribution-Noncommercial-Share Alike 3.0 License by John Rampelt/Sirius microSystems. Click to see the human readable or lawyer-readable versions.

What this license allows you to do

Think of all our products as 'open hardware'. Specifically, you can:

provided that you:

What you cannot do under this license

Some rights are reserved. Specifically, this means that you cannot:

What if I want to sell or distribute products like this?

Please contact to discuss licensing terms for any of our products.

Warranty and liability statement

All of the circuits, schematic diagrams, photographs, examples, and downloadable documents on this website are provided on an 'as-is' basis, for educational purposes only. John Rampelt/Sirius microSystems makes no warranty, either expressed or implied, about the functionality of these works, or their suitability to a particular task. John Rampelt/Sirius microSystems is in no way responsible for the use and/or mis-use of any of these works, and is not liable in any way for any damages resulting from their use or mis-use.

Trademark notices

CHRP, CHRP 2, CHRP 3, UFO, BMP, WAND, PIC-MDS, PMDS, and PMDS2 are trademarks of Sirius microSystems. EPIC, PICProto, PICBASIC and PICBASIC Professional are trademarks of microEngineering Labs, Inc. PIC® and PICmicro® are registered trademarks of Microchip Technology, Inc. in the U.S.A. and other countries. Other products mentioned on this site are trademarks of their respective owners.

Privacy statement

We value your privacy. We will never release any of your personal information to third parties.