- Robbie Berg. Logochip. available: http://www.wellesley.edu/physics/rberg/logochip/, 2007. (Atualizado em 2012: http://www.wellesley.edu/Physics/Rberg/logochip/ e https://sites.google.com/a/wellesley.edu/robbie-berg/research)
- Handykey Corporation. Twiddler. available: http://www.handykey.com/
- Fabriled. Fabriled. available: http://www.fabriled.com/, 2007. (Sem resposta em 11/09/2012)
- Kelly Heaton. Kelly heaton at ronald feldman fine arts. available: http://www.feldmangallery.com.
- First Lego League International. First lego league international. available: http://www.firstlegoleague.org/
- Sundaresan Jayaraman. Georgia tech wearable motherboard. available: http://www.smartshirt.gatech.edu, 2007.
- Lego. Lego mindstorms. available: http://mindstorms.lego.com/.
- Luminex. Luminex. available: http://www.luminex.it/, 2007.
- NASA. Nasa electrical engineering division’s glossary of esd terms. avaliable: http://eed.gsfc.nasa.gov, 2007.
- Numetrex. Numetrex. available: http://www.numetrex.com/, 2007.
- University of Colorado. Office of planning, budget and analysis. available: http://www.colorado.edu/pba/div/femalebycol.htm. (Sem resposta em 11/09/2012)
- Maggie Orth. International fashion machines. available: http://www.ifmachines.com/, 2007.
- Phillips. Lumalive. available: http://www.lumalive.com/, 2006.
- RadioShack. Owner’s manual, 42-range digital multimeter number 22-811. avail- able: http://www.radioshack.com, 2006.
- Mitchel Resnick. Picocricket. available: http://www.picocricket.com/, 2007.
- Francesca Rosella. Cutecircuit. available: http://www.cutecircuit.com/, 2007.
- SparkFun. Sparkfun. available: http://www.sparkfun.com, 2007.
- Basic Stamp. Basic stamp. available: http://www.parallax.com/, 2007.
- Vivometrics. Vivometrics. available: http://www.vivometrics.com/, 2007.
- Eric Wilhelm. Instructables. available: http://www.instructables.com, 2007.