Reverse engineering Honeywell HR92 TRV
Vito wrote 10/05/2017 at 09:53 • 0 pointsHas anyone ever attempted reverse-engineering the radio protocol driving these valves? It should be an FSK 868Mhz. I own this system, the valves are fine, but the control system is really lousy, and I can only get current temperatures from their cloud server...
http://www.honeywelluk.com/products/Systems/Zoned/HR92-Radiator-Controller/
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