Once upon a time, ham radio was all about CW and voice transmissions and little else. These days, the hobby is altogether richer, with a wide range of fancy digital …read more (https://hackaday.com/2025/10/03/building-a-ham-radio-data-transceiver-on-the-cheap/)

How Your SID May Not Be As Tuneful As You’d Like
https://hackaday.com/2025/10/04/how-your-sid-may-not-be-as-tuneful-as-youd-like/

The MOS Technologies 6581, or SID, is perhaps the integrated circuit whose sound is most sought-after in the chiptune world. Its three voices and mix of waveforms define so much …read more (https://hackaday.com/2025/10/04/how-your-sid-may-not-be-as-tuneful-as-youd-like/)

A High Resolution DAC From Scratch
https://hackaday.com/2025/10/04/a-high-resolution-dac-from-scratch/

It’s a well-known conundrum that while most computers these days are digital in nature, almost nothing in nature is. Most things we encounter in the real world, whether it’s temperature, …read more (https://hackaday.com/2025/10/04/a-high-resolution-dac-from-scratch/)

How Do the Normal People Survive?
https://hackaday.com/2025/10/04/how-do-the-normal-people-survive/

It was one of those weeks last week at Hackaday’s home office. My mother-in-law handed me her favorite power bank and said “it’s not charging”. She had every expectation that …read more (https://hackaday.com/2025/10/04/how-do-the-normal-people-survive/)

Serial and UPDI Handled Together With One Convenient Circuit
https://hackaday.com/2025/10/04/serial-and-updi-handled-together-with-one-convenient-circuit/

Sometimes it’s nice when you can do everything you need to do with just one single port. In this vein, [Nicola Strappazzon] whipped up a circuit to combine serial and …read more (https://hackaday.com/2025/10/04/serial-and-updi-handled-together-with-one-convenient-circuit/)

3D Printing A Cheap VR Headset
https://hackaday.com/2025/10/04/3d-printing-a-cheap-vr-headset/

The modern era of virtual reality really kicked off in earnest just over a decade ago, when the Oculus Rift promised 3D worlds beyond your wildest dreams. Since then, nobody’s …read more (https://hackaday.com/2025/10/04/3d-printing-a-cheap-vr-headset/)

Open Source Controller for Old and Expensive Industrial Robots
https://hackaday.com/2025/10/04/open-source-controller-for-old-and-expensive-industrial-robots/

Industrial robots like robotic arms are basically everywhere, albeit usually out of the public’s eye in factories. This also means that they get replaced and scrapped all the time, making …read more (https://hackaday.com/2025/10/04/open-source-controller-for-old-and-expensive-industrial-robots/)

How To Design Custom LCDs For Your Own Projects
https://hackaday.com/2025/10/04/how-to-design-custom-lcds-for-your-own-projects/