Can we use the 12 bit DAC of the Teensy 3.1 to generate AFSK (Audio Frequency Shift Keying) signals? Lets
Category: Hardware
Hardware construction and hacks

Hacking the radio module
It works. I connected the SA818 module to the Teensy 3.1 and wrote some code to control it. I tested

Towards a next generation tracker
The Polaric Tracker developed by LA3T was just the right APRS tracker for search and rescue services. Now the question

ArcticTracker
After a somewhat successful campaign from LA3T, the PolaricTracker where born, and with it PolaricServer and PolaricApp. Unfortunately, for unknown