Search for: Log In Register OpenSprinkler › Forums › Hardware Questions › Expansion board schematic? This topic has 1 reply, 1 voice, and was last updated 3 years ago by JimS. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts May 21, 2019 at 6:18 am #60523 JimSParticipant I found a schematic https://github.com/rayshobby/opensprinkler/blob/master/Expansion%20Board/exp20.png but it shows 2 pin connectors for all zones and doesn’t show 2.2 ohm resistors. My case is marked v1.1. The PCB is marked v2.1. Is a schematic available? A bill of material? One of the 2.2 ohm resisters is burned – I suspect it may be from a bad valve. May 21, 2019 at 8:03 am #60526 JimSParticipant Found it here: https://github.com/OpenSprinkler/OpenSprinkler-Hardware Sure would be nice to be able to get the schematic and BOM without having to install Eagle… Author Posts Viewing 2 posts - 1 through 2 (of 2 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In OpenSprinkler › Forums › Hardware Questions › Expansion board schematic?