There are many ways to build a radio receiver, but most have a few things in common, such as oscillators, tuned circuits, detectors, mixers, and amplifiers. Put those together in …read more (https://hackaday.com/2025/01/09/all-band-receiver-lets-you-listen-to-all-the-radio-at-once/)

3DBenchy Starts Enforcing its No Derivatives License
https://hackaday.com/2025/01/09/3dbenchy-starts-enforcing-its-no-derivatives-license/

Nobody likes reading the fine print, least of all when you’re just downloading some 3D model. While printing a copy for personal use this is rarely an issue, things can …read more (https://hackaday.com/2025/01/09/3dbenchy-starts-enforcing-its-no-derivatives-license/)

Physical Media is Dead, Long Live Physical Media
https://hackaday.com/2025/01/09/physical-media-is-dead-long-live-physical-media/

https://commons.wikimedia.org/wiki/File:2018080707_Bedienelemente_und_Kassettenfach_GPO_Brooklyn_2018.jpg
" data-image-caption="Front panel of a GPO Brooklyn with cassette player (Credit: VSchagow, Wikimedia)
" data-medium-file="https://hackaday.com/wp-content/uploads/2025/01/2018080707_Bedienelemente_und_Kassettenfach_GPO_Brooklyn_2018.jpg?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2025/01/2018080707_Bedienelemente_und_Kassettenfach_GPO_Brooklyn_2018.jpg?w=800">Much has been written about the demise of physical media. Long considered the measure of technological progress in audiovisual and computing fields, the 2000s saw this metric seemingly rendered obsolete …read more (https://hackaday.com/2025/01/09/physical-media-is-dead-long-live-physical-media/)

Writing a RISC-V OS From Scratch
https://hackaday.com/2025/01/09/writing-a-risc-v-os-from-scratch/

If you read Japanese, you might have seen the book “Design and Implementation of Microkernels” by [Nu Tian Sheng]. An appendix covers how to write your own operating system for …read more (https://hackaday.com/2025/01/09/writing-a-risc-v-os-from-scratch/)

Retrotechtacular: Soldering the Tek Way
https://hackaday.com/2025/01/09/retrotechtacular-soldering-the-tek-way/

For a lot of us, soldering just seems to come naturally. But if we’re being honest, none of us was born with a soldering iron in our hand — ouch! …read more (https://hackaday.com/2025/01/09/retrotechtacular-soldering-the-tek-way/)

Toner Transfer, but Not for PCBs
https://hackaday.com/2025/01/09/toner-transfer-but-not-for-pcbs/

It is old news that you can print PCB artwork on glossy paper and use a clothes iron to transfer the toner to a copper board, which will resist etchant. …read more (https://hackaday.com/2025/01/09/toner-transfer-but-not-for-pcbs/)

Sheet Metal Forming With 3D Printed Dies
https://hackaday.com/2025/01/09/sheet-metal-forming-with-3d-printed-dies/

Sheet metal is very easy to form, including the pressing in of intricate shapes with dies and a hydraulic press, but the dies themselves are slightly harder to come by. …read more (https://hackaday.com/2025/01/09/sheet-metal-forming-with-3d-printed-dies/)

Engineering Lessons from the Super-Kamiokande Neutrino Observatory Failure
https://hackaday.com/2025/01/09/engineering-lessons-from-the-super-kamiokande-neutrino-observatory-failure/