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Digital Electronics Tutorials

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Universal 2 Factor Authentication with Key-ID's USB Key

Before we dive into the FIDO Certified Key-ID Security Key and how it's used, let's get a handle on what authentication online means at the moment. Authentication is simply the process of identifying a user based on a set of unique factors, most com...

Tags: fido key security u2f

17 Jul 2017

Serial Monitoring with Tera Term

Monitoring what’s happening inside your microcontroller is an invaluable tool for prototyping and debugging. One of the best ways to do this is to send/receive data over a serial port. Most microcontrollers have a serial port that can output UA...

Tags: arduino monitor particle pi raspberry rx serial tera terminal tx uart

20 Jan 2017

Our Ozobots Review and Educational Tips

In the Spring of 2012, a tech-gadget company called Evollve Inc. was founded with the goal of creating innovative ways for tech-savvy youngsters to play, learn and interact in a digitally expanding world. There's absolutely nothing wrong with learnin...

Tags: blockly educational learning programming robots

18 Jan 2017

How to Use a Logic Level Shifter/Converter

So you’ve got your microcontroller/development board ready to go, you’ve got your sensors and external components and you’re ready to build an IoT device to make the world your slave. But hang on a minute, the sensor you have only o...

Tags: 3.3v 5v converter level logic shifter

5 Dec 2016

What Are NeoPixel LEDs?

So in case you haven’t heard yet, digital LEDs are the go-to solution for any project that uses RGB LEDs and you want to avoid the rat's nest that ensures when using multiple RGB LEDs, each colour requiring its own connection. Digital...

Tags: dotstar led neopixel rgb

23 Nov 2016

What Are DotStar LEDs?

So in case you haven’t heard yet, digital LEDs are the go-to solution for any project that uses RGB LEDs and you want to avoid the rat's nest that ensures when using multiple RGB LEDs, each colour requiring its own connection. Digitally address...

Tags: dotstar led neopixel rgb

22 Nov 2016

How to Use Rotary Encoders

Hello and welcome to our tutorial on using rotary encoders. Today we’re going to be taking a look at what is a rotary encoder, how does it work, why we would use it over other sensory inputs and creating code to use them. Rotary encoders are el...

Tags: arduino encoders interface rotary switch teensy ui

16 Nov 2016

Programming with USB-Serial Converters

Thanks to huge advancements in technology over the last decade, the maker community that we know and love has thrived. It’s now easier than ever before to get started with programming and tinkering due to the innovation from brands such as Ardu...

Tags: arduino converter ftdi programming serial ttl usb

1 Nov 2016

Counting with Hexadecimal, Binary, and Decimal

Welcome to Counting with Computer 101. Have you ever looked at a colour on a computer and seen something like this #28FE9A? Or perhaps the T-shirt stating ‘There are 10 types of people in this world, those who understand binary, and those who d...

Tags: binary conversion counting decimal hex hexadecimal

26 Jul 2016