Below you will find links to the project kit build instructions.
Project Kit 1 – Repeater Time out (ATMega328P Version)
Project Kit 1A – Repeater Time out (EssexHam Arduino Version)
Project Kit 2 – KISS TNC
Project Kit 1 – Repeater Time out (ATMega328P Version)
Project Kit 1A – Repeater Time out (EssexHam Arduino Version)
Project Kit 2 – KISS TNC