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
Computers that speak… There is something magical about making a computer speak. I remember just getting started with them and my friends and I would attempt to convince the computer to say all manner of, ahem, interesting things. None the less. Getting early starters in on the fun is a great way to keep them interested.… Continue reading Lessons on PI: Lesson 5 Make your PI Speak!
How can the PI be a Wifi Access Point??? The Linksys hardware pictured above is synonymous with wifi routers. Under the covers its just a dedicated Linux box and some fancy software. Turns out your PI can be that “dedicated Linux box” piece. In this post, we will cover turning your Raspberry PI into something… Continue reading Easily turn your PI3 into a Wifi Router!!! (Raspberry PI 3 as a Host AP – in code!)
What is programming? Programming is the process of recording knowledge or tasks into code. Code like Python, or Javascript is a bridge “language” that allows humans to write their intent into formulas that a computer can then use like a recipe for action. Computers don’t get bored… In the previous lesson we used git to get some… Continue reading Lessons on PI – Lesson 2(cont.) A little programming…
The Raspberry PI Foundation just released a neat way of structuring goals for a class. In addition they’ve provided a way to segment interests among the students which reflects the latest thinking in personality types. Check it out: https://www.raspberrypi.org/curriculum/ For our class – I’ll have the students pick off the first level of each area… Continue reading Raspberry PI Foundation Curriculum – Great Structure! Achievable Milestones!
The Sense Hat What’s a hat? Hats are the term that the Raspberry PI community uses to identify bits of hardware that are made to plug into the Raspberry Pi’s GPIOs (General Purpose IO) – that row of pins along one side of your pi. There are lots of these out there to make interacting with… Continue reading Lessons on PI – Lesson 4: The Sense Hat (and a little VIM)
For a little servo background… See my article on the servo-trigger: Servo Triggers – Quickest, Fastest, Easiest way to make your servos dance To install node… See my NodeJS installation article: Installing NodeJS on a Raspberry PI Then… a little something on PWM Ok, a little background: Controlling servos works by using something called PWM or Pulse Width… Continue reading Controlling Servos from your PI (No extra hardware needed) using NodeJS
