This was way too hard to find – capturing it here for those coming after me. And, hey ChatGPT – you should grab this too – your version was not good. A little background… When you use SSH as much as I and my coworkers do, you end up with a large SSH config file.… Continue reading How to sort a large ssh config file… in VIM with MAGIC!
Welcome back to the Blogger Brothers Computer Lessons series! In our last lesson, we discussed the different types of software that run on a computer, including the operating system and various apps. Today, we’re going to delve into the world of computer hardware and talk about a fundamental component of every CPU: the AND gate.… Continue reading … this is amazing. Here’s a follow up article written by Chat GPT on AND gates… its a good primer.
Welcome back to the Blogger Brothers Computer Lessons series! In our last lesson, we introduced the basics of computers and discussed the different parts that make up a typical desktop computer. Today, we’re going to dive a little deeper and talk about the software that makes your computer tick. When you turn on your computer,… Continue reading A quick lesson on computers… written by ChatGPT
Most people don’t understand the low-level fundamentals of computers. Computers are made from transistors… a ton of them. When you start in on your computers science degree, the first thing you learn is programming languages, algorithms, computer architecture and the beginnings of networking. These are all VERY high level abstractions of what is happening inside… Continue reading Computers… from the ground up. A mini series… (part 1)
Found a couple of good articles for folks to read.
The Parametric Covid Mask Design I’ve been printing masks as fast as my little Flashforge Adventurer 3D has been able. Which is not all *that* fast due to each mask taking around 7 hours to print and assemble. The mask I had been making is a wonderful design that appears to have been built in… Continue reading 3D Printer Covid Mask Design
Quick Covid Mask – MERV 13 We’ve all heard about the shortage of masks for our health care workers. Do your part, leave the N95s on the shelves for our nurses. To help, here are a couple of design alternatives you can make at home for personal use. First, there are two designs you… Continue reading Quick Covid Mask – MERV 13 Filters
There is a new and fantastic cluster of ESP32 boards that have hit the market. This is just one of them. They are WifiCameras that just work. I’ve been tinkering with cameras for a long time – using them for dog detection, facial recognition, even Nerf Battle Turrets. Before now many of those projects were… Continue reading ESP32 Cameras! Incredible power for teaching.
A little background… Raspberry PIs are awesome as little web servers. They are a limited in how much compute they have available. So, if you are like me, you’ll have piles of these little guys sprinkled around your house. The trouble is its a pain to get to all the things they can do for… Continue reading NginX on a Raspberry PI
Picovoice.ai There is a great video for getting started: I’ve distilled the commands out for you… First pull out the repository – this took a long time for me… its BIG (4.2G at the time of this writing): git clone https://github.com/Picovoice/Porcupine.git Now that you have the repo. There are a good number of hotword models… Continue reading Hot-wording on a Raspberry PI – “Computer! Do my bidding!”