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Default RF receiver setting after power on

How can I set the default receiver to 433 in such way that the ESP32 will remember it after power off/on. Now I have to set it every time again active after power off/on of the gateway.


You could publish the msg with a retain flag so that the gateway will get it after each reconnection.

How do you get more receivers into your board? Do you have to build using Arduino? The images provided in the web upload are with a single receiver each …