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!

MIDI Tutorial

Understanding the Musical Instrument Digital Interface.

What is a Battery?

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

Introduction to DMX

DMX512 is an industry standard in lighting and stage design, whether it be controlling lights, motors, or lasers, DMX512 has many uses. In this tutorial we’ll cover DMX512 (Digital Multiplex with 512 pieces of information).

External IO and Metastability

Why external signals can cause metastability and how to use constraint files to manage this

Hackers in Residence - Cosmic Ray Detector

Learn how to detect cosmic rays with this simple and cheap detector, built by Hacker in Residence Pete Marchetto.

Humidity-sensing LED Flower

How about that humidity? This tutorial shows how to add sensing capability to the 21st Century Fashion Kit's RGB flower project.

LilyPad Safety Scarf

This scarf is embedded with a ribbon of LEDs that illuminate when it gets dark out, making yourself more visible to vehicle and other pedestrians.

SparkFun Arduino UNO R4 WiFi Qwiic Kit Hookup Guide

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!