Part of our continuing coverage of highlights from the 2014 Bay Area Maker Faire.

We can’t say how many times we’ve heard people ask questions about hacking or building their own sprinkler controllers, but apparently here are the ones that everyone has been looking for. These open source hardware sprinkler controllers from Ray’s Hobby —  designed so that you can hack and build your own — look well-made and genuinely useful. There are neat irrigation (and multipurpose relay) controls, including Arduino-flavored variants as well as versions for Raspberry Pi and BeagleBone lovers.