Hard Hat Becomes Bluetooth Direction Finder
https://hackaday.com/2025/09/30/hard-hat-becomes-bluetooth-direction-finder/

Have you ever wanted to find a Bluetooth device out in the wild while looking like the comic relief character from a science-fiction series? You might like Dendrite, the direction-finding …read more (https://hackaday.com/2025/09/30/hard-hat-becomes-bluetooth-direction-finder/)

Improved 3D Printer Cannibalizes Two Older Printers
https://hackaday.com/2025/09/30/improved-3d-printer-cannibalizes-two-older-printers/

In the late 2010s, the Ender 3 printers were arguably the most popular line of 3D printers worldwide, and for good reason. They combined simplicity and reliability in a package …read more (https://hackaday.com/2025/09/30/improved-3d-printer-cannibalizes-two-older-printers/)

Unitree Humanoid Robot Exploit Looks Like a Bad One
https://hackaday.com/2025/09/30/unitree-humanoid-robot-exploit-looks-like-a-bad-one/

Unitree have a number of robotic offerings, and are one of the first manufacturers offering humanoid robotic platforms. It seems they are also the subject of UniPwn, one of the …read more (https://hackaday.com/2025/09/30/unitree-humanoid-robot-exploit-looks-like-a-bad-one/)

Toy Train Joins The Internet of Things
https://hackaday.com/2025/09/30/toy-train-joins-the-internet-of-things/

[Zoltan] was developing a workshop on Matter for DEF CON, and wanted to whip up a fun IoT project to go with it. His idea was simple—take a simple toy …read more (https://hackaday.com/2025/09/30/toy-train-joins-the-internet-of-things/)

Porting a Fortran Flight Simulator to Unity3D
https://hackaday.com/2025/10/01/porting-a-fortran-flight-simulator-to-unity3d/

There’s an old saying (paraphrasing a quote attributed to Hoare): “I don’t know what language scientists will use in the future, but I know it will be called Fortran.” The …read more (https://hackaday.com/2025/10/01/porting-a-fortran-flight-simulator-to-unity3d/)

An FPGA-Based Mechanical Keyboard
https://hackaday.com/2025/10/01/an-fpga-based-mechanical-keyboard/

You can buy all kinds of keyboards these days, from basic big-brand stuff to obscure mechanical delicacies from small-time builders. Or, you can go the maker route, and build your …read more (https://hackaday.com/2025/10/01/an-fpga-based-mechanical-keyboard/)

The Hottest Spark Plugs Were Actually Radioactive
https://hackaday.com/2025/10/01/the-hottest-spark-plugs-were-actually-radioactive/