Virtualization for Embedded Systems Series: Introduction

The concept of virtualization and virtualized hardware has long been a part of computing. Even dating back to the early days of computing[1], virtualizing components of the system proved beneficial. In today’s technology driven world, virtualization plays a giant role in our day-to-day life. Services like Amazon AWS and DigitalOcean are ubiquitous as service providers to all sorts of companies. These provide the backbone to our daily browsing and Internet usage habits. Entire ecosystems have been built around this concept…

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There’s a new USB-UART chip in town

I love Hackaday. I read it almost every day. Yesterday I a blog post caught my eye and I wanted to share it.   Most of the time if you want to add a USB interface to your project, you’ll have to get an FTDI chip, or one of those similarly operating knockoffs. But those chips require additional external circuitry that you may not want to fool with (I know I don’t). This Hackaday blog post introduces a neat little chip, the CH330.…

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Into the 3D printer game I went!

I’ve always wanted to try my hand at 3D printing, but prices were too high and the machines required too much maintenance… until recently.   I’ve purchased a Creality Ender 3 printer from Amazon in the past month or so. I grabbed the printer, along with a roll of grey AmazonBasics PLA, and decided to try my hand at 3D printing. My “all-in” budget was around $250, shipped. Now this printer is unique in several ways. It has a heated…

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Pickin’ On Series

I was poking around YouTube and found a great channel and project, you should check them out!   The Pickin’ On channel is filled to the brim with great acoustic bluegrass interpretations of some of the best songs around. From Nirvana, to The Guess Who, to Lynyrd Skynard, they’ve done it all! Check out one of my faves:  

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Happy Independence Day!

Happy Independence Day USA! I hope everyone enjoys their day off, but pauses to remember those who have served and do serve to keep our country safe daily. Thank you to our military, police, fire, emergency, and medical staffers work tirelessly in service to their fellow Americans.  

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Build Your Own: Clean Boost Guitar Pedal Part 2

The parts have arrived! It’s time for assembly.   PCB and Parts are here! The printed boards from OSHPARK arrived recently and so did the components. Below is a list of the components I selected for this board. Item Mfg Qty Description Enclosure Hammond 1 Aluminum enclosure for stompbox Resistors Elegoo 1 525 pack of assorted resistors from 0-1M Diodes MclgclM 1 100 pack of assorted diodes DC Barrel Jack ThreeBulls 1 12 pack of 5.5mm x 2.1mm Op-amp Fairchild…

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Build Your Own: Clean Boost Guitar Pedal

I’ve always wanted to build a guitar pedal from scratch. Why not start with the easiest of all: a clean signal booster   In this series, I will detail how I have built my own clean boost guitar pedal. I will detail the schematic, what parts are chosen, the circuit stages, and how they operate, as well as following through to the finished product. The Beginning A clean boost guitar pedal should accomplish a few things: Take an AC signal…

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Better Systems Management Through COTS Technology

The concept of computing has been around almost as long as the mathematics from which it derives its usefulness. The world of computing as we know it today only began in the last century or so, and really only since the invention of the bipolar transistor. Fast-forward to the modern era of computing wherein we have unfathomable computing power surrounding us daily. Computing platforms and the related technology is driving advancement in every industry across the globe. From research to…

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A New Certificate Provider in Town

There’s a new SSL/TLS certificate provider in town, and I think you should go check them out. Let’s Encrypt is a group run by the Internet Security Research Group (ISRG) and funded by the biggest names in tech. Mozilla, Chrome, Cisco are all on board to name a few. Let’s Encrypt is a fully automated Certificate Authority (CA) that can help server admins and owners secure their client’s communications. It uses the ACMEv1 and ACMEv2 protocol to achieve certificate creation, retrieval,…

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Neural Networks and How They Work

AI or Artificial Intelligence has been making headlines the world over the past few months. It’s time we all learn a little about how AI began and what role neural networks plays.   Artificial intelligence, also sometimes referred to as machine intelligence (MI), is a burgeoning field of Computer Science which has ties to many, many other fields. AI is the application of neural networks in various forms to allow a machine to imitate or give the impression of natural…

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