I had some trouble getting my HP LaserJet P1006 to work with the Synology DS210j (NAS print server), even though HP makes Linux drivers and other Synology DiskStation users have had success. The documents would look like they were sent…
Below is the key for the Metric Hole Test Pattern object, which is available at Shapeways.com. It is a flat, 3 millimeter thick piece with standard metric drill bit size holes, and can be used just as a decoration, or…
When I started using Blender again recently with Vista, I noticed that when I launched it I would only get a blank (black) screen. The command window screen was black, of course, but at least it reported “Checking for installed…
First, create a shared folder using the VirtualBox user interface. For this example, we’ll call it “Data”. Launch Ubuntu. From within Ubuntu, launch Application > Accessories > Terminal, and at the prompt type sudo gedit /etc/fstab Enter your administrative password,…
In the post, I showed off a branding iron I had “printed” in stainless steel by Shapeways.com for US$6, after using the free vector image editor Inkscape, and parametric modeling software Alibre Design, which also has a free version called…
I’m working on a publication that includes a lot of temperatures, and I want conversions of those temperatures to be automatically inserted into the text in a consistent manner and without having to convert them by hand. Michael Mehlich’s excellent…
Many of the useful tools and utilities you’ll find on this site are released as what I like to call CollegeFundware, which is basically shareware with a bit of a twist. You may use the software for a reasonable period…
This makes a great gift, t-shirt, mug, etc. for any computer or math geek, friend, child or baby! Write you name or message in up to 100,000 of the infinitely non-repeating digits of pi. Originally published: Mar 21, 2006. Introduction…
I suppose this doesn’t *need* the ATMega, but they’re only a few bucks, so what the hey. This uses an old GI SP0256-AL2 speech synthesizer IC containing all 59 English phenomes. It sounds very computer-like (even though the original documentation…
An even tinier 4-amp dual stepper motor controller and driver, providing 500mA per phase for two 4-phase unipolar steppers, or 1A per phase for 1 motor when signals are combined (separate input for motor power). Four-position DIP switches assign a…