Arduino for Ham Radio: A Radio Amateur's Guide to Open Source Electronics and Microcontroller Projects: ARRL Inc., Glen Popiel KW5GP: 9781625950161: Amazon.com: Books
Arduino AX.25 TNC | George Smart – M1GEO
Make your own transceiver with a Dorji DRA818U or DRA818V | Ham Radio Blog PD0AC
Packet radio lives on through open source software | Opensource.com
Arduino AX.25 TNC | George Smart – M1GEO
Overview | Adafruit RFM69HCW and RFM9X LoRa Packet Radio Breakouts | Adafruit Learning System
This Arduino Music Player Uses a Packet Radio Remote Designed for One-Person Performances | by Cameron Coward | Medium