Electrical Engineering

Discussing what thermal resistance is, how it’s used for thermal management, and how to maximize the life of your project.

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.

Showing off some of the features of the SparkFun Ruler.

The essential parts for beginning (or even experienced) hobbyists that gives you all of the basic through-hole components you will need to get started playing with embedded projects. We'll identify a few parts in the kit and provide a few basic circuits to get started!

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

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.

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.

Picking up where we left off in "Getting Started with LTSpice," we delve a little deeper into LTSpice through an introduction of Operational Amplifiers (OpAmps).

How to crack an unknown safe in under an hour.

LTspice is a high performance SPICE simulator, schematic capture and waveform viewer with an impressive library of passive devices. Over 1000 models are included in the download but you can also add third party models.

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).

Learn techniques on how to use Finite Impulse Response (FIR) filters and other data-processing tools to turn data into information.

A tutorial about different ways to reduce the current draw for your next Arduino project the easy way.

Getting started with the SparkFun Proto Pedal. We'll assemble the board, then discuss some of the details of the circuit.

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

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!

How to use the 74HC4051 multiplexer breakout to drive eight LEDs, read eight button inputs, or monitor eight potentiometers.

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.

An overview of the inner workings of a battery and how it was invented.

Build a Boss Alarm that alerts you of anyone walking into your office and automatically changes your computer screen.

Learn about the SparkFun RedStick, a USB thumb drive-sized Arduino-compatible development platform.

Get to know the contents of the SparkFun Discrete Semiconductor Kit.

Assembly and application of the 8-pin SOIC-to-DIP adapter.

A basic introduction to working with the microSD Sniffer.