About: http://webisa.webdatacommons.org/19404952

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	So, it is not necessary to test whether the value is HIGH or LOW, if all you are going to do is then pass the value to digitalWrite.Udo was pointing out that it is not even necessary to store the value from digitalRead.
http://www.w3.org/ns/prov#wasQuotedFrom	arduino.cc