There are three SPI hosts on the ESP32 chip used here, 1 through 3. SPI1_HOST is used and it may be possible to get this working. The default application has SPI2_HOST and SPI3_HOST used for the ...

But thanks to the rtl_433_ESP Arduino library developed by [NorthernMan54], we’re now able to pack that functionality into a much smaller package. All you need is an ESP32 microcontroller and a ...