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/)

Building a Multi-Channel Pipette for Parallel Experimentation
https://hackaday.com/2025/12/20/building-a-multi-channel-pipette-for-parallel-experimentation/

One major reason for the high cost of developing new drugs and other chemicals is the sheer number of experiments involved; designing a single new drug can require synthesizing and …read more (https://hackaday.com/2025/12/20/building-a-multi-channel-pipette-for-parallel-experimentation/)

A Tiny Reflecting Telescope For Portable Astronomy
https://hackaday.com/2025/12/20/a-tiny-reflecting-telescope-for-portable-astronomy/

For most of us who are not astronomers, the image that comes to mind when describing a reflecting telescope is of a huge instrument in its own domed-roof building on …read more (https://hackaday.com/2025/12/20/a-tiny-reflecting-telescope-for-portable-astronomy/)

A Heavily Modified Rivian Attempts the Cannonball Run
https://hackaday.com/2025/12/21/a-heavily-modified-rivian-attempts-the-cannonball-run/

There are few things more American than driving a car really fast in a straight line. Occasionally, the cars will make a few left turns, but otherwise, this is the …read more (https://hackaday.com/2025/12/21/a-heavily-modified-rivian-attempts-the-cannonball-run/)

Shoot Instax Film In A Polaroid Camera With The Aid Of Tape
https://hackaday.com/2025/12/21/shoot-instax-film-in-a-polaroid-camera-with-the-aid-of-tape/

Polaroid cameras have been very popular for a very long time and are especially hot gifts this year. Fresh film is easy to find but relatively expensive. In contrast, Fuji’s …read more (https://hackaday.com/2025/12/21/shoot-instax-film-in-a-polaroid-camera-with-the-aid-of-tape/)

A Compact, Browser-Based ESP32 Oscilloscope
https://hackaday.com/2025/12/21/a-compact-browser-based-esp32-oscilloscope/