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OpenBeken on touch switch with T34 - offline control, 433MHz remotes, cloud

2konrafal1993 264 30
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Treść została przetłumaczona polish » english Zobacz oryginalną wersję tematu
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  • #31 21714088
    2konrafal1993
    Level 38  
    Here I have two ICs, the first one receives the remote control and directly sends some data to the t34 processor. The second chip is probably the touch handling but I won't give my head, it also directly connects to the t34.
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Topic summary

The discussion addresses a Chinese touch switch based on the T34 (BK7231N) processor featuring 433MHz remote control and WiFi connectivity, which crashes after prolonged WiFi use. Uploading OpenBeken firmware enables fully local operation without cloud dependency, allowing control via touch and 433MHz remotes without network connection after initial WiFi setup. The RF chip is typically connected to the button controller, which interfaces digitally with the WiFi module, preserving remote functionality post-firmware update. The device lacks visible RX/TX programming pads, complicating flashing, but soldering the T34 chip with hot air rework is feasible. Firmware flashing involves selecting BK7231N/T34 in the flasher, downloading the firmware from the web, and writing it to the device. After flashing, the device may create an Access Point at 192.168.4.1 for configuration. WiFi setup requires entering SSID and password in the web app or configuring pins manually via JSON import. If WiFi credentials are incorrect, rebooting the device five times triggers AP mode for recovery. The router used operates on 2.4GHz with AES encryption and WPA2 authentication. The user is advised to perform setup in AP mode if WiFi is unreliable, noting that the web app is downloaded live from GitHub, requiring simultaneous internet and device AP connection.
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