MPR121 Hookup Guide
How to get started using the MPR121 for capacitive touch sensing with your Arduino.
An overview of electric power, the rate of energy transfer. We'll talk definition of power, watts, equations, and power ratings. 1.21 gigawatts of tutorial fun!
A brief history of how ASCII came to be, how it's useful to computers, and some helpful tables to convert numbers to characters.
Bubble Display Hookup Guide
Need a small, cheap, and easy display? These bubble displays are what you've been looking for. Learn how to use them in this hookup guide.
A tutorial on electronics' most overlooked and underappreciated component: the switch! Here we explain the difference between momentary and maintained switches and what all those acronyms (NO, NC, SPDT, SPST, ...) stand for.
IoT Hobby Kit Experiment Guide
The SparkFun ESP8266 Thing Dev Board is a powerful development platform that lets you connect your hardware projects to the Internet. In this guide, we show you how to combine some simple components to remotely log temperature data, send yourself texts and control lights from afar.
Programming the pcDuino
With great power comes great complexity. This tutorial will teach you some of the basic concepts needed to get the most out of programming your pcDuino.
A tutorial on all things resistors. What is a resistor, how do they behave in parallel/series, decoding the resistor color codes, and resistor applications.