Components

The SparkFun Arduino UNO R4 WiFi Qwiic Kit is a great way to get started with Arduino and the Qwiic-connect system - use this guide to get started!

Monitor your LiPo battery with the LiPo fuel gauge! In this tutorial, we will be using the MAX17043 and MAX17048 to monitor a single cell, LiPo battery over the Arduino Serial Monitor. We will also connect a display to view the output without the need to connect the microcontroller to a computer.

The SparkFun Audio Codec Breakout - WM8960 is a low power, high quality stereo codec chock full of features. In this tutorial, some of these features by using an Arduino microcontroller to configure the audio codec and pass audio to the headphone or speaker channels.

The SparkFun Qwiic Speaker Amp includes the Texas Instruments TPA2016D2 stereo, filter-free class-D audio power amplifier. This tutorial will help you get started and configure the amplifer settings using an Arduino microcontroller.

Using WiFi to send sensor data from an ESP32 to a WiFi network and be able to read it from an IoT Dashboard from anywhere in the world.

Get started with the SparkFun Level Shifter - 8 Channel (TXS0108E) Breakout to shift between 5V, 3.3V and 1.8V logic level systems.

Get started with SparkFun's newest Buck Regulator Boards - the BabyBuck and the Buck!

Running out of memory? Don't forget to check out the Qwiic EEPROM!

The SparkFun Qwiic MultiPort adds additional ports to boards that have only one Qwiic port on their I2C bus. Once added, you can use it as a hub to add as many I2C devices to the bus as you need! You can also use the board as an alternative to a daisy chained configuration.

The SparkFun ProDriver and Mini Stepper Motor Driver boards utilize Toshiba's TC78H670FTG stepper motor driver. The ProDriver features latch pin terminals, which are easier to connect than the "Easy" Drivers. Meanwhile, the Mini Stepper Motor Driver come in smaller PCB footprint, that is pin compatible with breadboards. To get started, follow this hookup guide and you will be spinning stepper motors, in no time.

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.

Protect your project by adding a fuse in your circuit to save it from molten destruction.

A quick primer to get you going with the PCA9306 Logic Level Converter - a dedicated I2C translator.

Need to add more analog inputs for your project? Check out the Qwiic 12-bit ADC.

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!

The Single Supply Logic Converter allows you to bi-directionally translate signals from a 5V or 3.3V microcontroller without the need for a second power supply! The board provides an output for both 5V and 3.3V to power your sensors. It is equipped with a PTH resistor footprint for the option to adjust the voltage regulator on the low side of the TXB0104 for 2.5V or 1.8V devices.

Have a bunch of sensors with the same I2C address? Put them on the Qwiic MUX (TCA9548A) to get them all talking on the same bus!

Learn how to extend the range of your I2C communication bus with the Qwiic differential I2C bus extender (PCA9615 ) breakout board.

A hookup guide for the Noisy Cricket Stereo Amplifier - 1.5W.

EEPROM is a great way to add extra memory to your microcontroller project. Wait 'til you see how easy it is to use!

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

Servos are motors that allow you to accurately control the rotation of the output shaft, opening up all kinds of possibilities for robotics and other projects.

An overview of the flex sensor - a bendable variable resistor. Plus, example circuits and Arduino code to get you started!

Use this IR LED/phototransistor fusion to sense objects in close proximity or even the color of a surface!

Equip your Arduino project with a sliding soft potentiometer to monitor position or adding linear control to your project.

An overview of each component in the SparkFun Sensor Kit, plus links to tutorials and other resources you'll need to hook them up.

Hook a light-sensing photocell up to an Arduino to create an ambient light monitor.

How to hook a force-sensitive resistor up to an Arduino to measure pressure variances.

Magnetically-actuated reed switches are the perfect component for non-contact proximity sensors. This tutorial provides a quick overview and example hook up.

How to combine a piezo sensor, high-value resistor, and an Arduino to create a vibration sensor.

How to assemble and use the Cherry MX Switch Breakout, allowing you to turn a matrix of mechanical switches into a full-size keyboard!

How to use the level translating µSD device.

The PicoBuck board is a high-efficiency three-channel constant-current LED driver.

The FemtoBuck board is a high-efficiency, single-channel constant-current LED driver.

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

Learn how you can use the SX1509 to control 16 LEDs or up to 64 buttons with just two pins.

How to use the Rotary Switch Potentiometer breakout board, with some sample applications.

This is a quick hookup to help you get started with the MCP4725 DAC breakout board. This device allows you to send analog signal from a digital source, like the I2C interface on the Arduino microcontroller.

A crash course in bi-polar junction transistors. Learn how transistors work and in which circuits we use them.

Using the MiniGen, SparkFun's Arduino Pro Mini signal generator shield

A short guide to creating a rainbow of new LilyPad LED colors at home!

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

An above-and-beyond example using the USB Type A Female Breakout board.

A quick primer to get you going with the PCA9306 Logic Level Converter.

An overview of the Bi-Directional Logic Level Converter, and some example circuits to show how it works.

How to use the TXB0104 chip.

An introduction to shift registers and potential uses.

Learn the basics about LEDs as well as some more advanced topics to help you calculate requirements for projects containing many LEDs.

An introduction to integrated circuits (ICs). Electronics' ubiquitous black chips. Includes a focus on the variety of IC packages.

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

A diode primer! Diode properties, types of diodes, and diode applications.

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.

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.

The basics behind the batteries used in portable electronic devices: LiPo, NiMH, coin cells, and alkaline.

Connectors are a major source of confusion for people just beginning electronics. The number of different options, terms, and names of connectors can make selecting one, or finding the one you need, daunting. This article will help you get a jump on the world of connectors.