OpenSprinkler › Forums › OpenSprinkler Unified Firmware › Rain Delay hardware 1.3u › Re: Re: Rain Delay hardware 1.3u June 30, 2014 at 8:47 am #27373 steelcityMember I used your GUI firmware updater. Everything seemed to go smoothly. Any suggestions on the hardware issue? Am I correct in assuming that a jumper wire across the rain sensor terminals should emulate a normally closed sensor?
