There are all kinds of expensive beauty treatments on the market — various creams, zappy lasers, and fine mists of heavily-refined chemicals. For [Ruth Amos], a $78,000 LED bed had …read more (https://hackaday.com/2025/03/18/diy-your-own-red-light-therapy-gear/)

Writing a GPS Receiver from Scratch
https://hackaday.com/2025/03/18/writing-a-gps-receiver-from-scratch/

GPS is an incredible piece of modern technology. Not only does it allow for locating objects precisely anywhere on the planet, but it also enables the turn-by-turn directions we take …read more (https://hackaday.com/2025/03/18/writing-a-gps-receiver-from-scratch/)

Checking In On the ISA Wars and Its Impact on CPU Architectures
https://hackaday.com/2025/03/18/checking-in-on-the-isa-wars-and-its-impact-on-cpu-architectures/

An Instruction Set Architecture (ISA) defines the software interface through which for example a central processor unit (CPU) is controlled. Unlike early computer systems which didn’t define a standard ISA …read more (https://hackaday.com/2025/03/18/checking-in-on-the-isa-wars-and-its-impact-on-cpu-architectures/)

Simulating Embedded Development To Reduce Iteration Time
https://hackaday.com/2025/03/18/simulating-embedded-development-to-reduce-iteration-time/

There’s something that kills coding speed—iteration time. If you can smash a function key and run your code, then watch it break, tweak, and smash it again—you’re working fast. But …read more (https://hackaday.com/2025/03/18/simulating-embedded-development-to-reduce-iteration-time/)

Keebin’ with Kristina: the One with the Cheesy Keyboard
https://hackaday.com/2025/03/18/keebin-with-kristina-the-one-with-the-cheesy-keyboard/

Let’s just kick things off in style with the fabulously brutalist Bayleaf wireless split from [StunningBreadfruit30], shall we? Be sure to check out the wonderful build log/information site as well …read more (https://hackaday.com/2025/03/18/keebin-with-kristina-the-one-with-the-cheesy-keyboard/)

The Capacitor Plague of the Early 2000s
https://hackaday.com/2025/03/18/the-capacitor-plague-of-the-early-2000s/

Somewhere between the period of 1999 and 2007 a plague swept through the world, devastating lives and businesses. Identified by a scourge of electrolytic capacitors violently exploding or splurging their …read more (https://hackaday.com/2025/03/18/the-capacitor-plague-of-the-early-2000s/)

A Foot Pedal To Supplement Your Keyboard
https://hackaday.com/2025/03/18/a-foot-pedal-to-supplement-your-keyboard/

It’s 2025, and you’re still probably pressing modifier keys on your keyboard like a… regular person. But it doesn’t have to be this way! You could use foot pedals instead, …read more (https://hackaday.com/2025/03/18/a-foot-pedal-to-supplement-your-keyboard/)

Ultra-Low Power Soil Moisture Sensor
https://hackaday.com/2025/03/18/ultra-low-power-soil-moisture-sensor/

Electricity can be a pretty handy tool when it stays within the bounds of its wiring. It’s largely responsible for our modern world and its applications are endless. When it’s …read more (https://hackaday.com/2025/03/18/ultra-low-power-soil-moisture-sensor/)