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!
MacBack A Raspberry PI based Backpack for your MAC Why? Macs have no GPIOs! Mac’s have no GPIOs. In addition they run BSD, and don’t have nearly the level of package development or support that the Raspberry PI community is pouring into their boards. Maybe it should be called the MacSplat! It aint pretty. But… Continue reading MacBack (a.k.a. MacSplat) – the swiss-army knife for your MAC.
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!)
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
There are two ways… The easiest is to install using the package manager. Recently though I ran into an issue where the folks providing the package manager version forgot to include the ARMv6 build. If that’s the case while you attempt, move onto the tarball method and you’ll be up and running in no time.… Continue reading Installing NodeJS on a Raspberry PI
The Linux operating system and specifically the terminal, can feel like a maze when trying to find your way around. If you haven’t yet, check out Lesson 1, and Lesson 2. The file and directory File There are a couple of concepts you will have to hold in your head as you get started. The… Continue reading Lessons on PI – Lesson 3: Getting around (ls, cd, rm, mkdir, touch, pwd, less…)
On the Shoulders of Giants That phrase, “On the shoulders of giants”, has come to mean, “discovering truth by building on previous discoveries” which just about sums up all of computer science. That idea, is the reason Computers are moving so fast! When you can reuse the work being done by hundreds of thousands of people… Continue reading Lessons on PI – Lesson 2: On the shoulders of giants (apt-get, and git)