A 1200 bauds modem based on an Arduino Nano mainly for APRS amateur radio

README.md

NanoAPRS

A 1200 bauds modem based on an Arduino Nano mainly for APRS amateur radio.

The design is totally based on Mark Qvist MicroModem but revamped for a Nano form factor, the main reason was to used a Bluno Nano from DFRobot, makes it suitable to be used with an iPhone! iphone aprs

nonaprs.fzz is the Fritzing file, the associated gerber files are in gerber_export directory.
This is not the best PCB design but it works perfectly, I'm using it for an iPhone project I'm working on.

Demo

You can order it on OSHPark.

You can program the modem with the library from Mark