[Andy Huot] has a fantastic-looking infinity mirror digital clock that really raises the bar. It uses high quality components, smart use of RGB LED animations, and a clever “stacked diffuser” …read more (https://hackaday.com/2026/09/12/big-infinity-mirror-clock-invites-you-to-gaze-deeply/)

Making an Air-Powered Circular Saw with LEGO
https://hackaday.com/2026/09/12/making-an-air-powered-circular-saw-with-lego/

Although building a table saw out of LEGO is probably not the first thing that comes to mind when you look at those colorful bits of plastic, [Jamie] has been …read more (https://hackaday.com/2026/09/12/making-an-air-powered-circular-saw-with-lego/)

2026 Retrocomputing Challenge: 16-Bit Homebrew Relay Computer
https://hackaday.com/2026/09/12/2026-retrocomputing-challenge-16-bit-homebrew-relay-computer/

You want Retro? We did, when we started our retrocomputing challenge. [Peter] decided that transistors weren’t retro enough, and sent us this lovely homebrew relay computer, complete with 16- bit …read more (https://hackaday.com/2026/09/12/2026-retrocomputing-challenge-16-bit-homebrew-relay-computer/)

Spin FV-1 Emulator Simplifies Sound Pedal Development
https://hackaday.com/2026/09/12/spin-fv-1-emulator-simplifies-sound-pedal-development/

If you’ve never heard of the Spin Semiconductors FP-1 digital signal processor chip, don’t worry– that just means you haven’t been deep into guitar petals and audio effects hardware lately. …read more (https://hackaday.com/2026/09/12/spin-fv-1-emulator-simplifies-sound-pedal-development/)

Whip-Cracking Machine Reliably Breaks the Sound Barrier
https://hackaday.com/2026/09/13/whip-cracking-machine-reliably-breaks-the-sound-barrier/

We tend to think of breaking the sound barrier as a comparatively modern accomplishment, but on a smaller scale, cattle herders have been breaking it for centuries: the cracking sound …read more (https://hackaday.com/2026/09/13/whip-cracking-machine-reliably-breaks-the-sound-barrier/)

Keeping Time on Tumbling Icosahedra
https://hackaday.com/2026/09/13/keeping-time-on-tumbling-icosahedra/

Clocks are almost the ideal devices to inspire creativity in hackers — they have a simple, well-defined task, but there’s an almost unlimited number of ways to carry it out. …read more (https://hackaday.com/2026/09/13/keeping-time-on-tumbling-icosahedra/)

Analyzing the FScale Instruction in Intel’s 8087 FPU
https://hackaday.com/2026/09/13/analyzing-the-fscale-instruction-in-intels-8087-fpu/

During his continuing analysis of the architecture and microcode of Intel’s highly influential 8087 floating point unit (FPU) co-processor, [Ken Shirriff] has now arrived at the point where he can …read more (https://hackaday.com/2026/09/13/analyzing-the-fscale-instruction-in-intels-8087-fpu/)

A 386 PC For Your RP2350
https://hackaday.com/2026/09/13/a-386-pc-for-your-rp2350/