Reverse-engineered RS-485 panel-link protocol for the Jacuzzi J185 / JB1HL hot tub controller, with a read-only ESPHome monitor for Home Assistant.
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Updated
Jun 23, 2026 - Python
Reverse-engineered RS-485 panel-link protocol for the Jacuzzi J185 / JB1HL hot tub controller, with a read-only ESPHome monitor for Home Assistant.
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