The present invention describes a rain sensor that counts water drops with a microcontroller. After a predetermined threshold of water drops have been counted, the rain sensor interrupts an irrigation schedule of an irrigation controller.
申请公布号
US7552632(B2)
申请公布日期
2009.06.30
申请号
US20070835866
申请日期
2007.08.08
申请人
THE TORO COMPANY
发明人
RUNGE THOMAS H.;HOPKINS LARRY KENT;GRUNDY MICHAEL JAMES
