About: http://webisa.webdatacommons.org/290640631

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	Second, it happens today, after flip over, i check everything is normal except the wire to optical flow sensor's ground is disconnected.
http://www.w3.org/ns/prov#wasQuotedFrom	diydrones.com