Recent updates:

Switching power on and off in 1 hour
Physical power switches are easy. Except that good physical power switches that can handle real power aren't so easy. They tend to be big and clunky and expensive. If you appreciate good design, I guess you could say they are a real turn-off. If you are already setting up transistors to turn LEDs…

Literature review of NASA NTRS truss papers 1 week ago
Why do a review of NASA papers on trusses? Well, because trusses are cool, for a variety of reasons. In buildings, they became one of the trademarks of the late modernist architecture period, representing "cool" and making the prior brutalist or streamlined or art deco or merely modern buildings…

Step 7: Voron Print Farm 2 months ago
This update covers many months of using the printer, working on things, etc. Including a giant burst of printing to get everything together for the Maker Faire and also some periods where the printer sat idle and not-quite-functional because I had to go to funerals and things. General improvements…

Can we not have our 3D printers be like 2D printers? 3 months ago
In all of the arguments of late about Open Source and 3D printers and whatever Bambu Labs or Prusa might be doing with 3D printers and whatnot, I guess what I'd really like is for our 3D printers to not end up like 2D printers. Now, when I say 2D printer, I mean some things, none of them very…

An introduction to LED strips 4 months ago
Let's take a brief adventure to the strip mall and highlight some of the things you might find there! (This was a side street off of Chandni Chowk in Old Delhi where LEDs are sold) Christmas lights, made as a series of incandescent bulbs, hit the market a long long time ago. Obviously people put…