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/

In the middle of the 20th century, the atom was all the rage. Radiation was the shiny new solution to everything while being similarly poorly understood by the general public …read more (https://hackaday.com/2025/10/01/the-hottest-spark-plugs-were-actually-radioactive/)

Building An Open Source Point of Sale System
https://hackaday.com/2025/10/01/building-an-open-source-point-of-sale-system/

[Mukesh Sankhla] has been tinkering in the world of Point of Sale systems of late. His latest creation is a simple, straightforward kiosk system, and he’s open sourced the design. …read more (https://hackaday.com/2025/10/01/building-an-open-source-point-of-sale-system/)

Lost Techniques: Bond-out CPUs and In Circuit Emulation
https://hackaday.com/2025/10/01/lost-techniques-cpu-in-circuit-emulation/