Internet down? 3 ways I use an old Android phone as a backup connection for my home router

I needed a way to connect my phone to my router, and have it work reliably. Turns out, I have 3 options (and I saved the best ...
Hackaday

Making A Magnetic Core Memory USB Drive

Some of us have felt somewhat nervous about the collapse of DRAM and NAND Flash memory supply in the consumer market, while ...