A new project from SmartHomeGeeks.io: We modified an automatic pet feeder by replacing its WBR3 with an ESP-12F module. This modification enables complete local control and eliminates the need for the Tuya cloud service. For detailed information, including a list of materials and our customized Arduino code, please visit our blog at: Smart Pet Feeder
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After just one day of use, our cat figured out how to operate the buttons and can now feed himself whenever he wants. I guess, it’s time to add a switch to disable the manual feeding buttons. 
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Well you did want local comtrol 
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I like your project, but I can’t solder, I probably mess up the whole thing… My pet feeder have a camera, but it doesn’t expose the rtsp port, nor any webrtc urls,
Maybe I give it a try later, but for now I use the smart life app to use the camera