ESPySPa on LOOP socket Smartlink module #129
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wayne-love
christophe-wq
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Hello, Can you tell me if I can connect ESPySPA on a loop socket Smartlink module ? (The blue RJ45) 
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Answered by
wayne-love
May 2, 2026
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No. The there can be only one controlling unit on serial connection.
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Answer selected by
christophe-wq
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No. The there can be only one controlling unit on serial connection.
They will not respect each other others writes and will put the spa in to an unknown state.
We are pushing the limit of the 12v feed (1a max) so this would most likely push us over the limit