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I am building a weather station with an ESP32 development module, a BME280 and an RFM69HW RF transceiver to send data to my base station. I have made a small print with these devices, but I am having a lot of problems with the RFM69. Basically, after some time the RFM69 is no longer able to hold its settings. Requesting settings then only shows corrupt data. I connected all SPI wires to the ESP32 and the 3.3V input of the RFM69 to the 3.3V connection of the ESP32. When I got the problems with the setting registers, I replaced the RFM69, but then the same thing started to happen again. I thought maybe the ESP could not supply enough power and tried to supply 3.3V power to the RFM69 directly while sharing ground with the ESP, but this did not work either. So now I don't know if they are broken or not. What am I doing wrong here?
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