depends, whats your background? you can do a lot of cool things with gnu-radio, if you want to get into building antenna you can receive images from satellites, the list is endless!
yeee beej is the best
I always recommend it as an intro to c programming. It really gives you a good sense of how things work underneath all the c and its info on gdb is priceless for a beginner.
Matt is an absolute legend. i’m excited for tinytapeout to grow and become even more accessible to the at home hacker.
activity in the community starts with everyone! we all gotta make it active!