pico-WSPR-tx Does it in Software

What do you need to make a radio transmitter? There are builds that work with just a couple of transistors. But how about a GPS-disciplined small signal beacon? You can actually get the job done for less than the cost of a fancy hamburger, thanks to [RPiks]’s pico-WSPR-tx and the Weak Signal Propagation Reporter Network (WSPR).


This is a companion discussion topic for the original entry at https://hackaday.com/2023/12/03/pico-wspr-tx-does-it-in-software/