Everything microcontrollers: projects, questions, new releases, etc.
dragontamer's Beginner Guides:
Beginner Series I: What is a Microcontroller?
Beginner Series II: The "Generic" Microcontroller
Beginner Sidenote: Microchip's Signal Chain Design Guide
Beginner Series III: Skills and Complexity Tiers
Beginner Series IV: Deep Dive into Microchip's AVR EA
I suspect they added “flipper zero” to the last paragraph so there was a non-zero chance that self aggrandizing turd of an article gets read by anyone not subscribed to Boring Canadian Government Organization Magazine. 
I don’t think anyone really needs to take this threat seriously. These poor folks don’t even have a clue :-)