About: http://webisa.webdatacommons.org/337818754

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	Perhaps power them all up, then have the master arduino to send out a signal such as the letter a when a button is pressed or after a certain amount of time to ensure all arduinos are on.
http://www.w3.org/ns/prov#wasQuotedFrom	arduino.cc