One wire ds18b20

considering there is the expansion boards… I’m assuming the answer is yes. Currently my system has all my ds18b20’s tying together in a junction box and then coming up one 3 wire cable to my pi, running CBPI. when I change things over to Brewblox next week. Can I have all the sensors come into one RJ11 port on the spark. or do I have to put an extension board in the junction box. I have a total of 4 sensors on my brew rig : Kettle, Rims, Chiller, Grain Bed


Yes, all ports on the Spark are internally connected to the same bus. You can keep your splitter.
Just make sure you have the right pinout at the Spark, as shown on the sticker on the back of the unit.

Roger that!!!