I am currently using the opensprinkler as a pool controller and I am going to build an API to control the intelliflo pumps using C and PHP so I can control Intelliflo pumps through http requests. I currently am using a Pentair product which only allows me to turn the pump on and off for speeds 1,2,3 and 4. The Intelliflo communicates through rs 485 . I’m planning on disconnecting the UART RX AND UART TX from open sprinkler and using them to communicate with the pool pump. I working on this with three other people and hopefully it will be done in the next month or so.