This project submitted to the 2025 Pet Hacks Contest brings a bit of IoT to your finned friends. Aquassist is a fish feeder that is primarily 3D printed only requiring …read more (https://hackaday.com/2025/05/23/2025-pet-hacks-contest-aquassist-fish-feeder/)

EMF Forming Was A Neat Aerospace Breakthrough
https://hackaday.com/2025/05/23/emf-forming-was-a-neat-aerospace-breakthrough/

Typically, when we think about forming metal parts, we think about beating them with hammers, or squeezing them with big hydraulic presses. But what if magnets could do the squeezing? …read more (https://hackaday.com/2025/05/23/emf-forming-was-a-neat-aerospace-breakthrough/)

TeensyROM NFC Game Loading on the C64
https://hackaday.com/2025/05/23/teensyrom-nfc-game-loading-on-the-c64/

When retro computing nostalgia meets modern wireless wizardry, you get a near-magical tap-to-load experience. It’ll turn your Commodore 64 into a console-like system, complete with physical game cards. Inspired by …read more (https://hackaday.com/2025/05/23/teensyrom-nfc-game-loading-on-the-c64/)

LED Matrix Built For M.2 Interface
https://hackaday.com/2025/05/24/led-matrix-built-for-m-2-interface/

The M.2 slot is usually used for solid-state storage devices. However, [bitluni] had another fun idea for how to use the interface. He built an M.2 compatible LED matrix that …read more (https://hackaday.com/2025/05/24/led-matrix-built-for-m-2-interface/)

Who Needs 100K Speakers When You’ve Got a 3D Printer?
https://hackaday.com/2025/05/24/who-needs-100k-speakers-when-youve-got-a-3d-printer/

The B&W Nautalis is, depending who you ask, either infamous or an icon of modern design. Want the look but don’t have a hundred grand to spare? [Every Project All …read more (https://hackaday.com/2025/05/24/who-needs-100k-speakers-when-youve-got-a-3d-printer/)

The Need For Speed?
https://hackaday.com/2025/05/24/the-need-for-speed/

We wrote up a video about speeding up Arduino code, specifically by avoiding DigitalWrite. Now, the fact that DigitalWrite is slow as dirt is long known. Indeed, a quick search …read more (https://hackaday.com/2025/05/24/the-need-for-speed/)

Nerf Blaster Becomes Remote Control Turret
https://hackaday.com/2025/05/24/nerf-blaster-becomes-remote-control-turret/

For most of us, turrets that aim and shoot at things are the sole domain of video games. However, they’re remarkably easy to build with modern technology, as [meub] demonstrates. …read more (https://hackaday.com/2025/05/24/nerf-blaster-becomes-remote-control-turret/)