How Not to Build an RP2040 Board
https://hackaday.com/2023/10/11/how-not-to-build-an-rp2040-board/

We love that these days you can buy ready-made microcontroller boards that are very capable. But sometimes you need to — or just want to — do it yourself. Unfortunately, …read more (https://hackaday.com/2023/10/11/how-not-to-build-an-rp2040-board/)

Tech in Plain Sight: Skyscrapers
https://hackaday.com/2023/10/11/tech-in-plain-sight-skyscrapers/

It is hard to imagine that for thousands of years, the Great Pyramid of Giza was the tallest manmade structure in the world. However, like the Lincoln Cathedral and the …read more (https://hackaday.com/2023/10/11/tech-in-plain-sight-skyscrapers/)

Tattoo-Removal Laser Brought Out of Retirement for a Megawatt of Fun
https://hackaday.com/2023/10/11/tattoo-removal-laser-brought-out-of-retirement-for-a-megawatt-of-fun/

We’ve got to say that [Les Wright] has the most fun on the internet, at least in terms of megawatts per dollar. Just look at his new video where he …read more (https://hackaday.com/2023/10/11/tattoo-removal-laser-brought-out-of-retirement-for-a-megawatt-of-fun/)

Micromanipulator Touches The Tiny Things, Cheaply
https://hackaday.com/2023/10/11/micromanipulator-touches-the-tiny-things-cheaply/

Some things are small and fragile enough that they cannot be held or touched by even the steadiest of hands. Such cases call for a micromanipulator, and [BYU CMR]’s DIY …read more (https://hackaday.com/2023/10/11/micromanipulator-touches-the-tiny-things-cheaply/)

A Buzzing, Flashing Phone Ringer For the Elderly
https://hackaday.com/2023/10/11/a-buzzing-flashing-phone-ringer-for-the-elderly/

For a lonely person, elderly or otherwise, the sound of a ringing phone can be music to the ears, unless of course it’s another spam call. But what good is …read more (https://hackaday.com/2023/10/11/a-buzzing-flashing-phone-ringer-for-the-elderly/)

The Wirtz Pump Spins
https://hackaday.com/2023/10/11/the-wirtz-pump-spins/

Over the ages, a lot of human activity has been concerned about getting water from where we find it to where we want it. If you want to move water …read more (https://hackaday.com/2023/10/11/the-wirtz-pump-spins/)

Nifty MIG Welder Built From Scrap
https://hackaday.com/2023/10/11/nifty-mig-welder-built-from-scrap/