What do you do with a circa 1985 Casio FX-451 calculator with a bad keyboard? Well, if you are [Poking Technology], you transplant the inside of the calculator to a …read more (https://hackaday.com/2025/02/01/casio-calculator-gets-new-keyboard/)

Time vs Money, 3D Printer Style
https://hackaday.com/2025/02/01/time-vs-money-3d-printer-style/

A few months ago, Hackaday’s own Al Williams convinced me to buy a couple of untested, returned-to-manufacturer 3D printers. Or rather, he convinced me to buy one, and the incredible …read more (https://hackaday.com/2025/02/01/time-vs-money-3d-printer-style/)

RedBox In The 80s: Meet The VHS Vending Behemoth
https://hackaday.com/2025/02/01/redbox-in-the-80s-meet-the-vhs-vending-behemoth/

Redbox was a company with a moderately interesting business model—it let you rent DVDs from automated kiosks. It’s an idea so simple it’s almost surprising it didn’t appear sooner. Only, …read more (https://hackaday.com/2025/02/01/redbox-in-the-80s-meet-the-vhs-vending-behemoth/)

Taking A $15 Casio F91W 5,000 Meters Underwater
https://hackaday.com/2025/02/01/taking-a-15-casio-f91w-5000-meters-underwater/

When considering our favorite spy movies and kin that involve deep-sea diving, we’d generally expect to see some high-end watch that costs thousands of dollars and is specially engineered to …read more (https://hackaday.com/2025/02/01/taking-a-15-casio-f91w-5000-meters-underwater/)

Could Non-Planar Infill Improve The Strength Of Your 3D Prints?
https://hackaday.com/2025/02/01/could-non-planar-infill-improve-the-strength-of-your-3d-prints/

When you’re spitting out G-Code for a 3D print, you can pick all kinds of infill settings. You can choose the pattern, and the percentage… but the vast majority of …read more (https://hackaday.com/2025/02/01/could-non-planar-infill-improve-the-strength-of-your-3d-prints/)

Using Microwave Heating to Locally Anneal CNT-Coated FDM Prints
https://hackaday.com/2025/02/01/using-microwave-heating-to-locally-anneal-cnt-coated-fdm-prints/

Layer adhesion is one of the weak points with FDM 3D printing, with annealing often recommended as a post-processing step. An interestingly creative method for this was published in Science Advances …read more (https://hackaday.com/2025/02/01/using-microwave-heating-to-locally-anneal-cnt-coated-fdm-prints/)

Inside a Vintage Oven Controlled Crystal Oscillator
https://hackaday.com/2025/02/01/inside-a-vintage-oven-controlled-crystal-oscillator/

Crystal oscillators are incredibly useful components, but they come with one little snag: their oscillation is temperature-dependent. For many applications the relatively small deviation is not a problem, but especially …read more (https://hackaday.com/2025/02/01/inside-a-vintage-oven-controlled-crystal-oscillator/)

Tiny RC Four-Wheeler Gets Chassis Upgrade For More Traction
https://hackaday.com/2025/02/02/tiny-rc-four-wheeler-gets-chassis-upgrade-for-more-traction/