As far as I am aware the only UART connected LoRa device that supports TTN is the RN2483 or RN2903.
Is there a reason why you cannot have an SPI connected LoRa device sharing the SPI bus with the Micro SD card ?
As far as I am aware the only UART connected LoRa device that supports TTN is the RN2483 or RN2903.
Is there a reason why you cannot have an SPI connected LoRa device sharing the SPI bus with the Micro SD card ?