Make Your Own Loudspeaker From Scratch
https://hackaday.com/2026/06/28/make-your-own-loudspeaker-from-scratch/

A loudspeaker is a vital component of every device that plays sound, but while its operation is simple, it’s a surprisingly difficult device to build. [Rvanderouderaa] has made an Instructables …read more (https://hackaday.com/2026/06/28/make-your-own-loudspeaker-from-scratch/)

Hack Improves Cheap Speed Controllers
https://hackaday.com/2026/06/28/hack-improves-cheap-speed-controllers/

[Tony Goacher] has worked with a lot of cheap brushless DC motor controllers built in China. They can be very cost-effective, but sometimes limited in performance or capability, particularly when …read more (https://hackaday.com/2026/06/28/hack-improves-cheap-speed-controllers/)

Accurate Split-Flap Display Can be 3D Printed
https://hackaday.com/2026/06/28/accurate-split-flap-display-can-be-3d-printed/

Split-flap displays are a great, low-power way to display text to a wide audience. Compared to other display technologies like LCDs they only use energy when the characters change, but …read more (https://hackaday.com/2026/06/28/accurate-split-flap-display-can-be-3d-printed/)

Teaching An AI To Play A Racing Game Via Screen Input
https://hackaday.com/2026/06/28/teaching-an-ai-to-play-a-racing-game-via-screen-input/

If you’re a fleshy human, you probably learn to play video games by looking at the screen and pressing the buttons, and maybe copying the way you’ve seen others play …read more (https://hackaday.com/2026/06/28/teaching-an-ai-to-play-a-racing-game-via-screen-input/)

RF Hacking A Ceiling Fan Via The Remote
https://hackaday.com/2026/06/28/rf-hacking-a-ceiling-fan-via-the-remote/

[Sam Wilkinson] recently installed a Dreo CLF513S ceiling fan in his place — it’s cheap, well-sized, and blows air around as you’d expect it to. The only problem is that …read more (https://hackaday.com/2026/06/28/rf-hacking-a-ceiling-fan-via-the-remote/)

Reachy Mini Desktop Robot Gets All-local, Conversational AI
https://hackaday.com/2026/06/28/reachy-mini-desktop-robot-gets-all-local-conversational-ai/

Reachy Mini is a limbless desktop robot from Hugging Face made for human interaction experiments, and to give you an idea of what it’s like is a guide on how …read more (https://hackaday.com/2026/06/28/reachy-mini-desktop-robot-gets-all-local-conversational-ai/)

Phone Stand Aims To Fight Addiction
https://hackaday.com/2026/06/28/scrap-printer-motor-becomes-generator/

Sometimes, it’s hard to stop picking up your phone every few minutes to check on notifications and scroll endlessly through the slop of the day. [PushpendraC2] has been working on …read more (https://hackaday.com/2026/06/28/scrap-printer-motor-becomes-generator/)