If you’ve been interested in FreeCAD but haven’t known where to start, here’s a wonderful video tutorial for FreeCAD 1.1 by [Deltahedra] aimed squarely at how to model a 3D …read more (https://hackaday.com/2026/05/13/freecad-1-1-tutorial-for-beginners-who-like-clear-instructions/)
If you’ve watched a Saturn V launch, you’ve probably seen how a large rocket will often jettison a stage on the way up. There are several reasons for this — …read more (https://hackaday.com/2026/05/13/how-did-apollo-separate/)
Testing Giant Fire Darts from the Mary Rose
https://hackaday.com/2026/05/13/testing-giant-fire-darts-from-the-mary-rose/
https://hackaday.com/2026/05/13/testing-giant-fire-darts-from-the-mary-rose/
The Mary Rose was a carrack in the English Tudor Navy of King Henry VIII that fought in multiple battles during the 16th century before it was sunk in 1545. After …read more (https://hackaday.com/2026/05/13/testing-giant-fire-darts-from-the-mary-rose/)
LiDAR Matrix Sensor Sees in 3D
https://hackaday.com/2026/05/14/lidar-matrix-sensor-sees-in-3d/
https://hackaday.com/2026/05/14/lidar-matrix-sensor-sees-in-3d/
[Mellow_Labs] picked up a few LiDAR matrix sensors and found them very exciting. While a normal time-of-flight sensor can accurately determine a range, the matrix sensor is like an array …read more (https://hackaday.com/2026/05/14/lidar-matrix-sensor-sees-in-3d/)
British Street Addresses, When Licenses Collide
https://hackaday.com/2026/05/14/british-street-addresses-when-licenses-collide/
https://hackaday.com/2026/05/14/british-street-addresses-when-licenses-collide/
The world of open source — and in particular open source licenses — is something we cover regularly here at Hackaday with respect to hardware and software, but it’s not …read more (https://hackaday.com/2026/05/14/british-street-addresses-when-licenses-collide/)
Teardown: ChargeTab Emergency Phone Charger
https://hackaday.com/2026/05/14/teardown-chargetab-emergency-phone-charger/
https://hackaday.com/2026/05/14/teardown-chargetab-emergency-phone-charger/
If you own a modern smartphone, there’s an excellent chance that its battery has run dangerously low on you at least a few times. Murphy’s Law dictates that this will …read more (https://hackaday.com/2026/05/14/teardown-chargetab-emergency-phone-charger/)
Automating Window Shades With Home Assistant
https://hackaday.com/2026/05/14/automating-window-shades-with-home-assistant/
https://hackaday.com/2026/05/14/automating-window-shades-with-home-assistant/
Most people love window shades, but many dislike the tedium of having to open and close them over the course of each day. While there are automation options here, if …read more (https://hackaday.com/2026/05/14/automating-window-shades-with-home-assistant/)