Two-Wheeled Arduino Robot Project for Beginners
https://hackaday.com/2025/12/20/two-wheeled-arduino-robot-project-for-beginners/

Here’s a fun build from [RootSaid] that is suitable for people just getting started with microcontrollers and robotics — an Arduino-controlled two-wheeled robot. The video assumes you already have one …read more (https://hackaday.com/2025/12/20/two-wheeled-arduino-robot-project-for-beginners/)

The ‘Hidden’ Microphone inside the Sipeed NanoKVM
https://hackaday.com/2025/12/20/the-hidden-microphone-inside-the-sipeed-nanokvm/

Recently, [Jeff Geerling] dropped into the bad press feeding frenzy around Sipeed’s NanoKVM, most notably because of a ‘hidden’ microphone that should have no business on a remote KVM solution. …read more (https://hackaday.com/2025/12/20/the-hidden-microphone-inside-the-sipeed-nanokvm/)

Hardware Store Marauder’s Map is Clarkian Magic
https://hackaday.com/2025/12/20/hardware-store-marauders-map-is-clarkian-magic/

The “Marauder’s Map” is a magical artifact from the Harry Potter franchise. That sort of magic isn’t real, but as Arthur C. Clarke famously pointed out, it doesn’t need to …read more (https://hackaday.com/2025/12/20/hardware-store-marauders-map-is-clarkian-magic/)