Last summer, I was hanging out with a friend from Netherlands for a week, and in the middle of that week, we decided to go on a 20 km bike …read more (https://hackaday.com/2024/03/14/lithium-ion-batteries-power-your-devboards-easily/)

Dev Board Watch Takes Path of Least Resistance
https://hackaday.com/2024/03/14/dev-board-watch-takes-path-of-least-resistance/

Building your own watch or clock is kind of a maker’s rite of passage. Once upon a time, if you went with a wrist watch, you’d typically work on producing …read more (https://hackaday.com/2024/03/14/dev-board-watch-takes-path-of-least-resistance/)

Retrotechtacular: Air Mail for the Birds
https://hackaday.com/2024/03/14/retrotechtacular-air-mail-for-the-birds/

Today, if you want to send a message to a distant location, you’ll probably send an e-mail or a text message. But it hasn’t always been that easy. Military commanders, …read more (https://hackaday.com/2024/03/14/retrotechtacular-air-mail-for-the-birds/)

New Brains Save 12 V Fridge From the Scrap Heap
https://hackaday.com/2024/03/14/new-brains-save-12-v-fridge-from-the-scrap-heap/

https://www.toxicantidote.net/articles/electronics/fridge_rebuild.shtml
" data-image-caption="" data-medium-file="https://hackaday.com/wp-content/uploads/2024/03/new_display-featured.png?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2024/03/new_display-featured.png?w=400">Recently [nibbler]’s Evakool 55L vehicle fridge started to act strangely, reporting crazy temperature errors and had no chance of regulating. The determination was that the NTC thermistor was toast, and …read more (https://hackaday.com/2024/03/14/new-brains-save-12-v-fridge-from-the-scrap-heap/)

Building A Hydraulic Loader For A Lawn Tractor
https://hackaday.com/2024/03/14/building-a-hydraulic-loader-for-a-lawn-tractor/

Lawn tractors are a great way to mow a large yard or small paddock. They save you the effort of pushing a mower around and they’re fun to drive, to …read more (https://hackaday.com/2024/03/14/building-a-hydraulic-loader-for-a-lawn-tractor/)

Celebrating Pi Day with a Ghostly Calculator
https://hackaday.com/2024/03/14/celebrating-pi-day-with-a-ghostly-calculator/

For the last few years, [Cristiano Monteiro] has marked March 14th by building a device to calculate Pi. This year, he’s combined an RP2040 development board and a beam-splitting prism …read more (https://hackaday.com/2024/03/14/celebrating-pi-day-with-a-ghostly-calculator/)

Making Floating Point Calculations Less Cursed When Accuracy Matters
https://hackaday.com/2024/03/14/making-floating-point-calculations-less-cursed-when-accuracy-matters/

An unfortunate reality of trying to represent continuous real numbers in a fixed space (e.g. with a limited number of bits) is that this comes with an inevitable loss of …read more (https://hackaday.com/2024/03/14/making-floating-point-calculations-less-cursed-when-accuracy-matters/)

Bonkers Nerf Blaster Sprays Balls Everywhere
https://hackaday.com/2024/03/14/bonkers-nerf-blaster-sprays-balls-everywhere/