Thursday, February 5, 2026

DIY Mode for ESP-Based Econet EVC300 Wifi Water Valve Robot?


full image - Repost: DIY Mode for ESP-Based Econet EVC300 Wifi Water Valve Robot? (from Reddit.com, DIY Mode for ESP-Based Econet EVC300 Wifi Water Valve Robot?)
The vendor of my 2022 vintage Econet Bulldog EVC300 water valve robot confirmed to me today that the unit is EweLink/Sonoff (I guess later versions have gone Tuya). So I hope that it makes sense to ask about this here...For some time, I have been using a hacked-together, LAN-only, monitoring/control mechanism using the EweLink LAN mode - reading valve state via MDNS and opening/closing via http. I haven't needed/used the EweLink app after the initial setup.It sure would be great if I could avoid the MDNS and not have to encrypt/decrypt packets. Can I accomplish this with DIY mode? Is DIY mode available on this? If so, how do it get it into DIY mode?EweLink says the the Model is SANTTON_2 and the Firmware is version 3.5.1.Thanks!


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