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!

Polarity

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

Alternating Current (AC) vs. Direct Current (DC)

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

Motors and Selecting the Right One

Learn all about different kinds of motors and how they operate.

SparkFun Troubleshooting Tips

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.

Hackers in Residence - Hacking MindWave Mobile

Review, teardown, and hacking tutorial for the MindWave Mobile, a $99 commercial grade EEG sensor.

The Uncertain 7-Cube

The Uncertain 7-Cube is a non-committal, less-than-helpful, but also entirely honest fortune teller. Simply ask it a yes or no question, give it a nudge, and the 7-Cube will dutifully inform you that it doesn’t have all the facts and doesn’t feel comfortable making a guess.

Raspberry Pi Zero Helmet Impact Force Monitor

How much impact can the human body handle? This tutorial will teach you how to build your very own impact force monitor using a helmet, Raspberry Pi Zero, and accelerometer!

Tinker Kit Circuit Guide

This guide takes you through the basics of building 11 different circuits with the SparkFun Tinker Kit and how to program them using the Arduino IDE.