Electrical Engineering

Building a pedal around the Teensy 3.2 and Teensy Audio shield. Changing the effect in the pedal is as easy as uploading a new sketch!

Not working as expected? In this tutorial, we will be exploring a few general troubleshooting tips and possible solutions that frequently come up with SparkFun's Technical Support.

This tutorial will show you how to use a headless Raspberry Pi to flash hex files onto AVR microcontrollers as a stand-alone programmer. It also tells the story about production programming challenges, how SparkFun came to this solution, and all the lessons learned along the way.

Classroom STEM activity that has students build a battery from a lemon, measure the open and closed circuit voltages, and determine the battery's internal resistance.

Learn the differences between AC and DC, the history, different ways to generate AC and DC, and examples of applications.

Turn a large voltage into a smaller one with voltage dividers. This tutorial covers: what a voltage divider circuit looks like and how it is used in the real world.

Learn how to create your own Fritzing part so you can make amazing looking wiring diagrams, learn about schematics and PCB design, and get your design fabbed into a real PCB with Fritzing's PCB manufacturing service.

The SparkFun Clock Generator 5P49V60 (Qwiic) breakout board offers a wide range of customizable frequencies in a wide range of different signal types using a single reference clock. This hookup guide will go over all of the many available functions and gives the hardware rundown on what exactly is on this board.

An overview of component circuit symbols, and tips and tricks for better schematic reading. Click here, and become schematic-literate today!

Learn the basics of using a multimeter to measure continuity, voltage, resistance and current.

With this, you will be able to upload Arduino sketches directly to the ATtiny84 over USB without needing to use a programming device (such as another Arduino or FTDI chip).

Showing off some of the features of the SparkFun Ruler.

An introduction to polarity in electronic components. Discover what polarity is, which parts have it, and how to identify it.

We can see electricity in action on our computers, lighting our houses, as lightning strikes in thunderstorms, but what is it? This is not an easy question, but this tutorial will shed some light on it!

Introducing fundamental digital logic concepts and LogicBlocks

Building a gyrator-based analog equalizer using the Proto Pedal.

An introduction into series and parallel circuits.

Learn how to measure the current consumption of your project using the ACS723 Current Sensor.

Learn how to assemble and use the TL431 in the Uh-Oh Battery Level Indicator Kit.

Learn about all things capacitors. How they're made. How they work. How they look. Types of capacitors. Series/parallel capacitors. Capacitor applications.

How to crack an unknown safe in under an hour.

The world is analog. Use analog to digital conversion to help digital devices interpret the world.

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!

This tutorial will explain how to use and convert between the standard metric prefixes.