About: http://webisa.webdatacommons.org/113548361

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	While sensors such as soil or flow sensors may be added to the prior art modular controllers, these arrangements typically required a separate printed circuit board (PCB) with its own terminal block.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com