Easy-to-use open source hardware. Control motors and sense the environment over USB with C/C++, C#, Delphi, Java, PHP, Python, Ruby, Visual Basic .NET and more.
P. Newson, and J. Krumm. Proceedings of the 17th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems, page 336--343. ACM, (2009)
R. Rana, C. Chou, S. Kanhere, N. Bulusu, and W. Hu. Proceedings of the 9th ACM/IEEE International Conference on Information Processing in Sensor Networks, page 105--116. ACM, (2010)