Adds flexibility to select Active HIGH or Active LOW relays. Also adds additional notes. Fixes a potentially confusing reuse of the String "message". Renames the second use to String "statusUpdate". Fixes typo on the "isPhysical" string. Other minor changes.
Adds flexibility to select Active HIGH or Active LOW relays. Also adds additional notes. Fixes a potentially confusing reuse of the String "message". Renames the second use to String "statusUpdate". Fixes typo on the "isPhysical" string. Other minor changes.