“I’m Not Dead Yet!” Reverse Polish Notation Calculators You Can Still Buy
https://hackaday.com/2026/09/02/im-not-dead-yet-reverse-polish-notation-calculators-you-can-still-buy/

If you used a scientific calculator in the 1970s or 1980s, there was a fair chance that it worked differently from almost every calculator you see today. Instead of typing: …read more (https://hackaday.com/2026/09/02/im-not-dead-yet-reverse-polish-notation-calculators-you-can-still-buy/)

How a 1981 RAM Expansion Worked
https://hackaday.com/2026/09/02/how-a-1981-ram-expansion-worked/

Sir Clive Sinclair and his company were notorious for pushing the limits of electronic parts in search of a low price, and his ZX series 8-bit computers were fine examples …read more (https://hackaday.com/2026/09/02/how-a-1981-ram-expansion-worked/)

FLOSS Weekly Episode 880: The Two Wolves
https://hackaday.com/2026/09/02/floss-weekly-episode-880-the-two-wolves/

This week Jonathan chats with Benjamin Samuels of Trail of Bits! The conversation focuses on Patch the Planet, a new initiative to help Open Source projects deal with the fallout …read more (https://hackaday.com/2026/09/02/floss-weekly-episode-880-the-two-wolves/)

Harvesting Namib Desert Fog with High Voltage
https://hackaday.com/2026/09/02/harvesting-namib-desert-fog-with-high-voltage/

As fun as mucking about with simulated environments in a laboratory is, at some point you have to do those field tests to demonstrate that your prototype actually works in …read more (https://hackaday.com/2026/09/02/harvesting-namib-desert-fog-with-high-voltage/)

Doubling Thermal Printer Resolution by Wiggling
https://hackaday.com/2026/09/02/doubling-thermal-printer-resolution-by-wiggling/

Thermal printers are still extremely common today, using small heating elements in combination with temperature-sensitive paper to create a dot matrix-like effect without messing with ink ribbons and complex mechanisms. …read more (https://hackaday.com/2026/09/02/doubling-thermal-printer-resolution-by-wiggling/)

Has FDM 3D Printing Hit Its Peak?
https://hackaday.com/2026/09/02/__trashed-8/

Over the time Hackaday has been in existence, the art of 3D printing has evolved from a relatively crude hit-and-miss affair to something approaching what we all imagined back then. …read more (https://hackaday.com/2026/09/02/__trashed-8/)

Switch Mod Fixes Fiddly Car Door Projector
https://hackaday.com/2026/09/02/switch-mod-fixes-fiddly-car-door-projector/

While the Citroën logo they project onto the pavement looks great, [OrangeTungsten] wasn’t thrilled with how their door-mounted projectors actually functioned. The mechanism for detecting when they should kick on …read more (https://hackaday.com/2026/09/02/switch-mod-fixes-fiddly-car-door-projector/)