E-ink displays have a number of advantages over other display types, but their refresh rate isn’t one of them. But what exactly makes them slow? According to [Wenting Zhang], it’s …read more (https://hackaday.com/2026/06/13/behold-a-60-hz-refresh-rate-e-ink-monitor/)

Patterns Everywhere
https://hackaday.com/2026/06/13/patterns-everywhere/

I studied physics in college, and I’m always surprised how fundamental some of the concepts are. Take waves for example. You really wouldn’t expect the same underlying concept to be …read more (https://hackaday.com/2026/06/13/patterns-everywhere/)

Custom Watch is on the Case
https://hackaday.com/2026/06/13/custom-watch-is-on-the-case/

We were excited to see [Z0hn]’s project about 3D printing a custom watch from scratch — both because it was an exciting idea, and because the pictures looked great. While …read more (https://hackaday.com/2026/06/13/custom-watch-is-on-the-case/)

Converting a Scanning Electron Microscope Into a TEM is Surprisingly Easy
https://hackaday.com/2026/06/13/converting-a-scanning-electron-microscope-into-a-tem-is-surprisingly-easy/

Although both a SEM and a TEM are electron microscopes, their working principles and images are very different. Whereas an SEM uses secondary electrons ejected after bombarding a sample’s surface …read more (https://hackaday.com/2026/06/13/converting-a-scanning-electron-microscope-into-a-tem-is-surprisingly-easy/)

Bambuddy Says Bye to Bambu Lab Cloud Services
https://hackaday.com/2026/06/13/bambuddy-says-bye-to-bambu-lab-cloud-services/

If you have a Bambu Labs printer and aren’t keen to send your files to Bambu’s servers with each print job, then check out Bambuddy, an open-source, self-hosted, cloud-free central …read more (https://hackaday.com/2026/06/13/bambuddy-says-bye-to-bambu-lab-cloud-services/)

Robot Chess but Each Piece is a Small Robot
https://hackaday.com/2026/06/13/robot-chess-but-each-piece-is-a-small-robot/

We have seen a number of self-playing chess boards over the years, but the general theme has been standard chess pieces moved by either an internal electromagnet or an external …read more (https://hackaday.com/2026/06/13/robot-chess-but-each-piece-is-a-small-robot/)

The Pacemaker Patch
https://hackaday.com/2026/06/13/the-pacemaker-patch/

A pacemaker is implanted to send signals that regulate a patient’s heartbeat, and to do that, you need power. That means they require battery changes, and when the device in …read more (https://hackaday.com/2026/06/13/the-pacemaker-patch/)

Double the VRAM of an RTX 3070
https://hackaday.com/2026/06/14/double-the-vram-of-an-rtx-3070/