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!

Series and Parallel Circuits

An introduction into series and parallel circuits.

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.

Hexadecimal

How to interpret hex numbers, and how to convert them to/from decimal and binary.

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).

MAG3110 Magnetometer Hookup Guide

Get started with the MAG3110 3-Axis Magnetometer and learn how to make your own digital compass that senses the Earth's magnetic fields.

H3LIS331DL Accelerometer Breakout Hookup Guide

Hookup guide and library usage details for the triple axis accelerometer H3LIS331DL high-g accelerometer.

QuickLogic Thing Plus (EOS S3) Hookup Guide

This guide provides users with functional descriptions, configuration options for the QuickLogic Thing Plus EOS S3. It also serves as a “Getting Started” and “How To” guide.

Build Your Own High-Concentration CO2 Detector

The SparkFun STC31 CO2 Sensor can accurately measure CO2 concentrations up to 100% with high repeatability and long-term stability, thanks to humidity and temperature compensation provided by the built-in SHTC3. This tutorial will show you how!