Micro:Bit Puppet “Text Message” System

Intro Nearly all of our wireless communication is done using radio waves*, including phone calls, text messages, and WiFi. With its built-in radio transmitters and receivers, the Micro:Bit microcontroller makes it super easy to build all sorts of projects with… Read more

Make Custom (& Inexpensive) Circuit Blocks!

Create, build, and play with your very own LEGO-inspired circuit blocks! Explore the basics of electricity and circuits, discover how sensors work and use ’em to design your own experiments, and incorporate upcycled materials to improve on your materials-sourcing &… Read more

Make a Sneaky Wearable ‘State Change Switch’!

  Secretly change settings for your wearable outfits or use this button as a secret prank trigger! Here’s a quick & easy tutorial on how to build and program a “state change switch.” AKA a button that cycles through different… Read more

IoT Industrial Scale!

  What does a baby elephant weigh?* How much impact force does a jump have?? How can you tell if a rain barrel is full without looking inside??? Answer all these questions and more by building your very own Internet… Read more

How to Use (and Choose) a Multimeter!

Checking your car battery life, debugging circuits, and finding that pesky short are all super useful functions that can be performed with just one awesome tool: the multimeter! First of all, what the heck is a multimeter??   Excellent setup question!… Read more

Prototyping Magnetic Boots!

Walking across large, metal pipes in search of urban adventure, my inner voice joked, “Hey, magnet shoes would be handy right about now.” Well, no arguing with that! Off to build my very own magnetic shoes! This tutorial gives an… Read more

Using an Oscilloscope!

Visualize all those mysterious electronic signals with an oscilloscope! Learn how to build and use a super simple $30 oscilloscope perfect for electronics hobbyist applications. It’s also a great way to get started using some of the fancier oscilloscopes! Reading… Read more

Blinking Light(s) with the Raspberry Pi!

Welcome to the wonderful world of controlling physical objects with software! This tutorial is a complete beginners introduction to the Raspberry Pi computer, covering the basic features and functions to help you bring your ideas to life! Blinking a light… Read more

Setting up a Raspberry Pi to Control Physical Objects, Pt. 2

What cool things can you do with the Raspberry Pi? Welcome back to exploring the Raspberry Pi! There are tons of awesome things you can do with the Raspberry Pi — (pretty much) everything that you would do on a… Read more

Setting up a Raspberry Pi to Control Physical Objects, Pt. 1

There are a slew of relatively simple systems to control physical objects w/ software. The most popular options are Arduino, the Raspberry Pi, and BeagleBoard. I’m an avid Raspberry Pi advocate, so let’s start with that! The RPi is a… Read more