Although it’s commonly suspected that migratory birds fly in a ‘V’ formation due to this saving energy for the birds in the slipstream, understanding the exact aerodynamics behind this and …read more (https://hackaday.com/2026/07/22/v-formation-flying-of-birds-is-explained-by-a-minimal-wake-vortex-model/)

Industrial GPU Adapted for the Desktop
https://hackaday.com/2026/07/22/industrial-gpu-adapted-for-the-desktop/

As technologies change and adapt, we’re often left with seemingly useless junk that has nowhere to go. Certainly anyone still sitting on a pile of floppy disks feels this way …read more (https://hackaday.com/2026/07/22/industrial-gpu-adapted-for-the-desktop/)

Voice Control Toolkit Comes to a Pico Near You
https://hackaday.com/2026/07/23/voice-control-toolkit-comes-to-a-pico-near-you/

Voice-controlled appliances are nothing new. What might be new, however, is [Moonshine AI] running it all locally on a Raspberry Pi Pico 2 W! The voice interface is roughly divided …read more (https://hackaday.com/2026/07/23/voice-control-toolkit-comes-to-a-pico-near-you/)

Saving Some Coin With 3D Printed Stencils
https://hackaday.com/2026/07/23/saving-some-coin-with-3d-printed-stencils/

One of the extra tools someone might need when working with surface-mount components is a solder paste stencil, which not only simplifies the application of solder paste to a PCB …read more (https://hackaday.com/2026/07/23/saving-some-coin-with-3d-printed-stencils/)

Encryption in the 1790s
https://hackaday.com/2026/07/23/encryption-in-the-1790s/

For as long as humans have had writing, there’s been a need to send secret messages. It is easy to think that Enigma machines and their immediate predecessors are old …read more (https://hackaday.com/2026/07/23/encryption-in-the-1790s/)

Running DOOM on a Custom CPU Built From Scratch
https://hackaday.com/2026/07/23/running-doom-on-a-custom-cpu-built-from-scratch/

Running DOOM on weird obscure hardware is a fun hacker pastime that’s been around for a long time now. It’s always enjoyable to see someone port it to an egg timer, …read more (https://hackaday.com/2026/07/23/running-doom-on-a-custom-cpu-built-from-scratch/)

Hackaday Europe 2026: Half Quad, Half Blimp: Test. Fly. Survive.
https://hackaday.com/2026/07/23/hackaday-europe-2026-half-quad-half-blimp-test-fly-survive/

A great many drones out there, whether homebuilt or store-bought, follow the same basic format. Four motors, some kind of controller, and a lithium-polymer battery supplying the juice to keep …read more (https://hackaday.com/2026/07/23/hackaday-europe-2026-half-quad-half-blimp-test-fly-survive/)

Mic Jammer Relies on Ultrasound
https://hackaday.com/2026/07/23/mic-jammer-relies-on-ultrasound/