Blog Archives

Making a Rolling Bench with Soft Closing Drawers

A coworker works with students from a variety of classrooms in small groups.  Sometimes it is more convenient for her to just sit on the ground with the students in the hall and I suggested that maybe a rolling bench

Posted in Uncategorized

3D Printed USB Strain Relief and Student Project Boards for Arduino UNO and Breadboards

In planning to teach my students how to build circuits and program Arduinos, I decided to mount Arduino UNOs and small breadboards on 6″ long 2×6 blocks.  This should help keep the two together and since they are being used

Posted in Random Technology

Organizing BLF Keys on VVX Expansion Modules in FreePBX

I set up a FreePBX server for my school and most of it went smoothly.  We have almost 50 Polycom phones and Endpoint Manager made it very easy to assign the phones to the right extensions and put the right

Posted in Random Technology

Provisioning Polycom Phones with DHCP Option 160 in pfSense, Meraki, and Mac OS X Server 10.11 El Capitan

I started installing a new phone system for work.  It’s replacing the Comcast phones with a FreePBX server and new Polycom phones.  The great thing about this setup is that you can provision a large number quickly as long as

Posted in pfSense, Random Technology

Reupholstering Jeep Cherokee XJ Sun Visors

My wife and I bought a 1995 Jeep Cherokee XJ mostly for camping and road trips.  It was only $3,100 and is an automatic so she can drive it (for some reason, she doesn’t want to learn to drive a

Posted in Isuzu, Uncategorized

DIY Lanolin Pistol Case Lube

I know what you’re thinking: why would you use case lube on straight wall pistol brass?!?  It doesn’t need it and you’re just making more work for yourself!  To that I say, yes, you are correct.  However, it makes a

Posted in Shooting

Adding Filament Runout Detection to an Anycubic Kossel with Marlin 1.1.8 and BIQU 3D Filament Detection Module

I have several Anycubic Kossel 3D Printers that work great for the price ($180-320 depending on the model).  One issue I’ve run into is when a reel of filament gets low, I can’t reliably print with it for fear of

Posted in Random Technology

Fixing a Cheap 3d Printer Power Supply with a Blown NTC Thermister

My older style Anycubic Kossel Pulley didn’t come with a heated bed or a power supply large enough to run it.  Although the newer Kossels Anycubic is making (as of early 2018) come with both, I had to purchase these

Posted in Random Technology