Category Archives: Uncategorized

How to Enable War Mode in Battle for Azeroth

The Battle for Azeroth Expansion for World of Warcraft has a PVP thing called “War Mode.” Wowhead has a war mode overview. It wasn’t obvious to me how to enable it and the first few results in Google didn’t help much (meaning I had to read too much stuff to find it). So, here it… Read More »

What is PVID

PVID is short for Port VLAN identifier. The PVID of a port is the VLAN id that will be assigned to any untagged frames entering the switch on that port (assuming the switch is using port-based VLAN classification). This is a concept that is defined in IEEE 802.1Q. For example, if you intend to connect… Read More »

Textual Ladder Logic Notation with Unicode Box-Drawing Characters

I recently completed a simple PLC project and wanted a way to document the ladder program only using text. Here’s what I came up with for a simple PLC where each program element can be represented with 3 characters: ┌001─002─003─004─005─006┐ ┌NOTES───────────────────────────────────────────┐ 001├─I1─────────────────∫Q1┤ │Button pushes at I1 toggles light at Q1 │ 002├─I2─────────────────∫Q2┤ │Button pushes at… Read More »

Play Minecraft with One Hand

Note: Links to Amazon.com are affiliate links which means I will get a small commission from Amazon (at no additional cost to you) if you buy something after following my link. I recently broke my finger and had limited use of my left hand for several weeks. Priority one in in this type of situation… Read More »