Funkmodul Pinbelegung SX1280 RESET -> PA2 BUSY -> PA1 CS -> PA4 SCLK -> PA5 MISO -> PA6 MOSI -> PA7 DIO1 -> PA0 DIO2 -> PC3 DIO3 -> PC2 SKY66112 CTX -> PB2 CRX -> PB13 CPS -> PE8 ANT_SEL -> PB14