The Raspberry Pi was a fairly revolutionary computing device when it came on the scene around a decade ago. Enough processing power to run a full Linux desktop and plenty …read more (https://hackaday.com/2023/04/27/using-an-old-smartphone-in-place-of-a-raspberry-pi/)

The Cheap And Available Microwave Playground
https://hackaday.com/2023/04/28/the-cheap-and-available-microwave-playground/

There’s something of a mystique about RF construction at the higher frequencies, it’s seen as a Black Art only practiced by elite wizards. In fact, UHF and microwave RF circuitry …read more (https://hackaday.com/2023/04/28/the-cheap-and-available-microwave-playground/)

Checking Out and Reviving a Batch of Used Floppy Disks
https://hackaday.com/2023/04/28/checking-out-and-reviving-a-batch-of-used-floppy-disks/

With the last manufacturer of 3.5″ floppy disks (FDs) having shut down in 2010, those who are still using this type of storage medium for production and/or retrocomputing purposes have …read more (https://hackaday.com/2023/04/28/checking-out-and-reviving-a-batch-of-used-floppy-disks/)

This Week in Security: Session Puzzling, Session Keys, and Speculation
https://hackaday.com/2023/04/28/this-week-in-security-session-puzzling-session-keys-and-speculation/

Last week we briefly mentioned a vulnerability in the Papercut software, and more details and a proof of concept have been published. The vulnerability is one known as session puzzling. …read more (https://hackaday.com/2023/04/28/this-week-in-security-session-puzzling-session-keys-and-speculation/)

Transistors That Grow On Trees
https://hackaday.com/2023/04/28/transistors-that-grow-on-trees/

Modern technology is riddled with innovations that were initially inspired by the natural world. Velcro, bullet trains, airplanes, solar panels, and many other technologies took inspiration from nature to become …read more (https://hackaday.com/2023/04/28/transistors-that-grow-on-trees/)

Hackaday Podcast 216: FETs, Fax, and Electrochemical Fab
https://hackaday.com/2023/04/28/hackaday-podcast-216-fets-fax-and-electrochemical-fab/

In this week’s podcast, non-brothers Elliot Williams and Al Williams talk about our favorite hacks of the week. Elliot’s got analog on the brain, courtesy of the ongoing Op Amp …read more (https://hackaday.com/2023/04/28/hackaday-podcast-216-fets-fax-and-electrochemical-fab/)

Rising to the Occasion: A Brief History of Crewed High Altitude Balloons
https://hackaday.com/2023/04/28/rising-to-the-occasion-a-brief-history-of-crewed-high-altitude-balloons/

We think of human flight as a relatively modern affair, with a few claims to the first airplane all around the turn of the last century. But people flew much …read more (https://hackaday.com/2023/04/28/rising-to-the-occasion-a-brief-history-of-crewed-high-altitude-balloons/)

LED Matrix Displays Get New Look Thanks to SMD Stencils
https://hackaday.com/2023/04/28/led-matrix-displays-get-new-look-thanks-to-smd-stencils/