LED Gumball Machine

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Contributors: Nate

Resources and Going Further

We hope you've enjoyed reading about our LED dispensing gumball machine. If you liked this one, there's tons more!

Pull-up Resistors

A quick introduction to pull-up resistors - whey they're important, and how/when to use them.

Gyroscope

Gyroscopes measure the speed of rotation around an axis and are an essential part in determines ones orientation in space.

Logic Levels

Learn the difference between 3.3V and 5V devices and logic levels.

MIDI Tutorial

Understanding the Musical Instrument Digital Interface.

Rotary Dial Kit Assembly Guide

Put together your Rotary Dial Kit and light it up with our Arduino example code!

Basic LED Animations for Beginners (Arduino)

Let's have some fun with LEDs! We'll explore LEDs once again with the SparkFun RedBoard Qwiic, making cool effects, and putting those effects to work using a sensor.

Air Quality Sensor - SGP40 (Qwiic) Hookup Guide

Get started measuring indoor air quality with the SparkFun Air Quality Sensor - SGP40 (Qwiic) Hookup Guide.

SparkFun RTK Express Hookup Guide

Learn how to use the enclosed RTK Express product to achieve millimeter level geospatial coordinates.