https://blog.wokwi.com/capture-the-flag-shitty-add-on/
CTF Shitty Add-On - An ATtiny85 Hardware Challenge For The Brave!
May 19, 2021 - Capture The Flag by finding your way into the internals of the ATtiny85 chip and turn the LED on - the story behind the hardware, and how to make your own.
hardware challengectfshitty
https://www.electronicdesign.com/technologies/communications/wireless/article/55329363/sony-semiconductor-israel-solving-the-coverage-and-hardware-challenge-in-asset-tracking-lte-m-vs-cat-1bis
Solving the Coverage and Hardware Challenge in Asset Tracking: LTE-M vs. Cat 1bis | Electronic...
LTE-M is changing global asset tracking with better coverage, longer battery life, and simpler hardware design.
hardware challengesolvinglte