These days, modems are pretty fancy bits of kit, what with to keep up with the speeds of cable, VDSL, and fiber connections. At lower speeds, though, it’s entirely possible …read more (https://hackaday.com/2026/08/21/building-a-discrete-component-75-baud-modem/)

Hackaday Podcast Episode 383: QR Codes, Caving Gear, and the Old School Way to Learn Electronics
https://hackaday.com/2026/08/21/hackaday-podcast-episode-383-qr-codes-caving-gear-and-the-old-school-way-to-learn-electronics/

In this week’s episode, Hackaday Editors Elliot Williams and Tom Nardi start things off by getting excited about the recently announced 2026 Retrocomputing Challenge. From there the conversation will cover …read more (https://hackaday.com/2026/08/21/hackaday-podcast-episode-383-qr-codes-caving-gear-and-the-old-school-way-to-learn-electronics/)

PVC Pipe Turned DIY Digital Telescope
https://hackaday.com/2026/08/21/pvc-pipe-turned-diy-digital-telescope/

[Makestreme] had always wanted to own a nice telescope, but found that budget would not stretch to anything above a cheap model with a limited 50 mm aperture. Wanting a …read more (https://hackaday.com/2026/08/21/pvc-pipe-turned-diy-digital-telescope/)

Thermoacoustic Sterling Engine is Now Fully 3D Printable
https://hackaday.com/2026/08/21/thermoacoustic-sterling-engine-is-now-fully-3d-printable/

Would you like to make your own energy? Why, who doesn’t in this era of rising costs! A sterling engine always looks like a good fit for that: highly efficient, …read more (https://hackaday.com/2026/08/21/thermoacoustic-sterling-engine-is-now-fully-3d-printable/)