A TX-only TNC (Terminal Node Controller) to generate the AFSK (Audio Frequency-Shift Keying) audio tones for APRS (Automatic Packet Reporting System) messages using a RP2040 microcontroller on a Raspberry Pi Pico board.

Updated 1 month ago

Turn your Android phone into real VHF/UHF Walkie-Talkie (requires additional digital radio hardware/software modem)

Updated 1 month ago

VP-Digi is a functional, cheap, easy to assemble and configure STM32-based APRS digipeater controller with built-in KISS modem.

Updated 3 months ago

PICO TNC is the Terminal Node Controler for Amateur Packet Radio powered by Raspberry Pi Pico. This TNC has same functionality as WB8WGA's PIC TNC.

Updated 1 year ago