meshtastic DIY Seeed Studio XIAO ESP32S3 + EBYTE E22-400M30S https://wiki.seeedstudio.com/xiao_esp32s3_getting_started/ E22-400M30S Seeed Studio XIAO ESP32S3 NSS GPIO44 SCK SCK GPIO7 MOSI MOSI GPIO9 MISO MISO GPIO8 NRST GPIO43 BUSY GPIO4 DIO1 GPIO3 DIO2 - RXEN GPIO2 TXEN GPIO1