Calculus-Free PID (Almost) in a Spreadsheet
https://hackaday.com/2026/08/06/calculus-free-pid-almost-in-a-spreadsheet/

PID controllers are everywhere. They regulate temperature, motor speed, power supplies, positioning systems, process equipment, and probably a dozen things within arm’s reach of you right now. They’re also frequently …read more (https://hackaday.com/2026/08/06/calculus-free-pid-almost-in-a-spreadsheet/)

CNC’d, CNC-inspired Adjustable Wrench Won’t Round Your Bolts
https://hackaday.com/2026/08/06/cncd-cnc-inspired-adjustable-wrench-wont-round-your-bolts/

We’ve probably all got one item in our toolboxes or chests that we really, really don’t like, but find too handy to toss. For [Someone Should Make That], that item …read more (https://hackaday.com/2026/08/06/cncd-cnc-inspired-adjustable-wrench-wont-round-your-bolts/)

Phantomdrive Keeps Your Secrets Out of Sight
https://hackaday.com/2026/08/06/phantomdrive-keeps-your-secrets-out-of-sight/

It’s a complex world out there, and more than ever folks may find themselves in a situation where they want to keep particular bits of information away from prying eyes. …read more (https://hackaday.com/2026/08/06/phantomdrive-keeps-your-secrets-out-of-sight/)

Rubidium Frequency Standard Explained
https://hackaday.com/2026/08/06/rubidium-frequency-standard-explained/

You’ve probably heard of rubidium frequency standards, which are used where you need an extremely accurate time or frequency reference. [IMSAI] guy has a good explainer video about what’s actually …read more (https://hackaday.com/2026/08/06/rubidium-frequency-standard-explained/)

NASA’s Just Prolonged Voyager 2’s Science Mission With a Big Bang
https://hackaday.com/2026/08/06/nasas-just-prolonged-voyager-2s-science-mission-with-a-big-bang/

Letting go is hard, especially when it concerns an irreplaceable space probe like the two Voyagers. Fortunately JPL engineers have managed to pull off a ‘big bang’ switch on Voyager …read more (https://hackaday.com/2026/08/06/nasas-just-prolonged-voyager-2s-science-mission-with-a-big-bang/)

A 3D Printed Cycloidal Gearbox
https://hackaday.com/2026/08/06/a-3d-printed-cycloidal-gearbox/

Stepper motors are undeniably useful, but sometimes they need a bit of gearing to help perform their task. [Gjhudson2008] has a compact gearbox for NEMA 17 or 23 steppers that …read more (https://hackaday.com/2026/08/06/a-3d-printed-cycloidal-gearbox/)

Wrist Welcomes Wii Nunchuk As Gloriously Ergonomic Macropad
https://hackaday.com/2026/08/07/wrist-welcomes-wii-nunchuk-as-gloriously-ergonomic-macropad/