Ask Hackaday: Do We Need a 21st Century Calculator?
https://hackaday.com/2026/05/14/ask-hackaday-do-we-need-a-21st-century-calculator/

Three resistors in parallel: 4.7 k,Ω 22 kΩ, and 3.3 kΩ. Quick! What’s the equivalent value? You can estimate it, of course, but if you want the actual 1.8 kΩ …read more (https://hackaday.com/2026/05/14/ask-hackaday-do-we-need-a-21st-century-calculator/)

Using a Nintendo Switch to Speed Up a 3D Printer
https://hackaday.com/2026/05/15/using-a-nintendo-switch-to-speed-up-a-3d-printer/

3D printers are almost never fast enough. [Cocoanix] had a Prusa MK3S with this very problem. He found it to be disappointingly tedious when completing even simple prints, and sought …read more (https://hackaday.com/2026/05/15/using-a-nintendo-switch-to-speed-up-a-3d-printer/)

preFlight Slicer Brings Added Part Strength Feature, and Many More
https://hackaday.com/2026/05/15/preflight-slicer-brings-added-part-strength-feature-and-many-more/

Interested in taking some wild new 3D printing features for a test drive? preFlight is free and open source slicer that brings a host of processing improvements as well as …read more (https://hackaday.com/2026/05/15/preflight-slicer-brings-added-part-strength-feature-and-many-more/)

Hacking Hard Drive Firmware
https://hackaday.com/2026/05/15/hacking-hard-drive-firmware/

You probably flash new firmware on a variety of devices regularly, even though that’s rare for non-technical types. But what about your hard drive firmware? Most of us don’t want …read more (https://hackaday.com/2026/05/15/hacking-hard-drive-firmware/)

Mod this IKEA Lamp into Smart Lighting For Not A Lot
https://hackaday.com/2026/05/15/mod-this-ikea-lamp-into-smart-lighting-for-not-a-lot/

The IKEA SKAFTSÄRV is an economical LED accent lamp, but while highly affordable it has only fixed lighting options. [simoneluconi] shows how it can easily be turned into a fully-configurable, …read more (https://hackaday.com/2026/05/15/mod-this-ikea-lamp-into-smart-lighting-for-not-a-lot/)

Building A Die Filer From Scratch
https://hackaday.com/2026/05/15/building-a-die-filer-from-scratch/

A die filer is a useful tool to have if you find yourself filing parts on the regular. It’s basically a machine that reciprocates a file up and down for …read more (https://hackaday.com/2026/05/15/building-a-die-filer-from-scratch/)

Adding Capabilities to Inexpensive Solar Modules
https://hackaday.com/2026/05/15/adding-capabilities-to-inexpensive-solar-modules/