A.C.I.D. is released here, under the terms of the GPL (source code) and Creative Commons BY-NC (attribution/non-commercial, for the schematics and layouts) in the hopes it will allow hobbyists and experimenters to play with colour detection and perhaps be useful.
All associated resources including source code, schematics, layouts, documentation and images are
Copyright (C) 2011-2013 Pat Deegan
See the LICENSE-GPL.txt and LICENSE-CCBYNC.txt files, included with the resources, for details.
Please let me know if and how you use ACID, or if you have any questions. Enjoy!