ChatGPT-4o vs. ChatGPT-5.1 — I tested both and the winner surprised me

I put ChatGPT-4o and 5.1 through 9 real-world tests — from logic puzzles to coding, writing and image analysis.
Hackaday

Any Old TV Can Be A Clock With Arduino

If you’ve got an old black and white TV, it’s probably not useful for much. There are precious few analog broadcasters left ...