Electronics · kids · magic

The Sleepy Fairy – A simple project to create Fairy Magic.

The Sleepy Fairy… a low power circuit using a Mosfet Trick. Before we begin… the Story. The story is important, it holds ALL the magic… the circuit just seals the deal. While holding the canister up: Now this…  Look closely. Many years ago, I was walking through the woods.  It was a warm and pleasant… Continue reading The Sleepy Fairy – A simple project to create Fairy Magic.

arduino · Electronics · raspberry pi · Websites

Circuits like Legos, my part sources. Or… Where to get all this fun stuff.

Sometimes I forget to mention the sites I use to find all the treasures I hoard.  There are a couple that I check almost religiously, because you never know what they might pop out next.  Others are just fantastic businesses because, in addition to providing novel products, are also a great help to the home… Continue reading Circuits like Legos, my part sources. Or… Where to get all this fun stuff.

Electronics · python · raspberry pi

[FIXED!!!] Turn on a lamp with a gesture – Image Processing! Machine learning!

Source: http://makezine.com/projects/raspberry-pi-potter-wand/ Make has a write-up on wand-control with a simple reflective wand… …it *was* broken.  Fixed it. Back in January when I first read the article I was so excited to try it, I ordered a bunch of parts, downloaded the Git, and then figured out it didn’t work. Not to worry though.  A fellow named… Continue reading [FIXED!!!] Turn on a lamp with a gesture – Image Processing! Machine learning!

kids · linux · raspberry pi

Create accounts on a Raspberry PI -or- sharing a pi with your siblings.

(The Penguin is the Linux Mascot) Some background… Linux was built in a time in which a computer must be shared.  They were far too expensive to have one per user.  Additionally, each of those computer users needed a mechanism in which they don’t have to worry about what others on the machine were up… Continue reading Create accounts on a Raspberry PI -or- sharing a pi with your siblings.

aws · ec2

Creating an Amazon AWS EC2 Instance… for all your cloud compute needs.

Amazon EC2 Step-By-Step… If you don’t already have a publicly accessible host, I recommend an Amazon EC2 instance (as opposed to a Google Cloud Host) because managing ssh keys on the Amazon host is easy, its just another linux box. So… create a micro EC2 instance like this (I’m assuming you can figure out how… Continue reading Creating an Amazon AWS EC2 Instance… for all your cloud compute needs.

kids · lessons · nodejs · programming · raspberry pi

Lessons on PI 6: Playing Audio on a Raspberry PI

There are lots of ways to get audio out of your little Raspberry PI.  The first, and easiest way to get started playing MP3 Files is this: omxplayer The PI Foundation Way The Raspberry PI foundation wrote up a little article to it here.  I wont repeat their advice, so if you want to just… Continue reading Lessons on PI 6: Playing Audio on a Raspberry PI