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 …

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

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 …

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

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 …

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