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!

PCB Basics

What exactly IS a PCB? This tutorial will breakdown what makes up a PCB and some of the common terms used in the PCB world.

What is Electricity?

We can see electricity in action on our computers, lighting our houses, as lightning strikes in thunderstorms, but what is it? This is not an easy question, but this tutorial will shed some light on it!

Logic Levels

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

LilyPad Basics: Powering Your Project

Learn the options for powering your LilyPad projects, LiPo battery safety and care, and how to calculate and consider power constraints on your projects.

LSM9DS0 Hookup Guide

How to assemble, connect to, and use the LSM9DS0 -- an accelerometer, gyroscope, and magnetometer all-in-one.

9DoF Sensor Stick Hookup Guide

How to connect and use the SparkFun 9 Degrees of Freedom Sensor Stick with an Arduino

Getting Started with the micro:bit

The BBC micro:bit is a compact, powerful programming tool that requires no software installation. Read on to learn how to use it YOUR way!

RHT03 (DHT22) Humidity and Temperature Sensor Hookup Guide

Measure relative humidity and temperature or your environment with the RHT03 (a.k.a DHT22) low cost sensor on a single wire digital interface connected to an Arduino!