Waverider: Scanning Spectra One Pixel at a Time
https://hackaday.com/2025/10/13/waverider-scanning-spectra-one-pixel-at-a-time/

Hyperspectral cameras aren’t commonplace items; they capture spectral data for each of their pixels. While commercial hyperspectral cameras often start in the tens of thousands of dollars, [anfractuosity] decided to …read more (https://hackaday.com/2025/10/13/waverider-scanning-spectra-one-pixel-at-a-time/)

SMD Soldering with Big Iron
https://hackaday.com/2025/10/13/smd-soldering-with-big-iron/

You have some fine pitch soldering to do, but all you have on hand is a big soldering iron. What do you do? There are a few possible answers, but …read more (https://hackaday.com/2025/10/13/smd-soldering-with-big-iron/)

Etching Atomically Fine Needle Points
https://hackaday.com/2025/10/13/etching-atomically-fine-needle-points/

[Vik Olliver] has been extending the lower resolution limits of 3D printers with the RepRapMicron project, which aims to print structures with a feature size of ten micrometers. A molten …read more (https://hackaday.com/2025/10/13/etching-atomically-fine-needle-points/)

Building the LEM’s Legs
https://hackaday.com/2025/10/13/building-the-lems-legs/

If you built a car in, say, Germany, for use in Canada, you could assume that the roads will be more or less the same. Gravity will work the same. …read more (https://hackaday.com/2025/10/13/building-the-lems-legs/)

BlueSCSI: Not Just for Apple
https://hackaday.com/2025/10/13/bluescsi-not-just-for-apple/

Anyone into retro Macintosh machines has probably heard of BlueSCSI: an RP2040-based adapter that lets solid state flash memory sit on the SCSI bus and pretend to contain hard drives. …read more (https://hackaday.com/2025/10/13/bluescsi-not-just-for-apple/)

They Don’t Make $37 Waveform Generators Like They Used To
https://hackaday.com/2025/10/14/they-dont-make-37-waveform-generators-like-they-used-to/

[CreativeLab] bought a cheap arbitrary waveform generator and noted that it only had a two-pin power cord. That has its ups and downs. We feel certain the intent was to …read more (https://hackaday.com/2025/10/14/they-dont-make-37-waveform-generators-like-they-used-to/)