About: http://webisa.webdatacommons.org/430058645

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	I built it based on this : http://telinks.files.wordpress.com/2010/08/rs232tottl.jpgI did a looped test and data are bounced back only when battery is attached, which is a great news.
http://www.w3.org/ns/prov#wasQuotedFrom	arduino.cc