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Reply To: Problems with OBS3+

Home Forums Environmental Sensors Problems with OBS3+ Reply To: Problems with OBS3+

Shannon Hicks

    Those sensors use Modbus RS485 protocol to communicate with a host device, which the Mayfly logger can’t do natively do with its current hardware, so you’ll need to add either an aftermarket RS485-to-TTL interface board, or build one like Anthony (@aufdenkampe) has done.  He, and a few other people on the forum, have deployed some Yosemitech sensors for quite awhile and should be able to provide some feedback about their performance.