OpenSprinkler › Forums › Hardware Questions › OpenSprinkler Pi (OSPi) › Can I use MQTT for reading a soil moisture sensor? › Reply To: Can I use MQTT for reading a soil moisture sensor? May 22, 2021 at 5:52 pm #70196 modeParticipant He wants to subscripe a topic for an external sensor with the openspinkler, not publish data from a sensor connected to opensprinkler.
