LED Gumball Machine
Contributors:
Nate
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.
Logic Levels
Learn the difference between 3.3V and 5V devices and logic levels.
Series and Parallel Circuits
An introduction into series and parallel circuits.
I2C
An introduction to I2C, one of the main embedded communications protocols in use today.
Vernier Shield Hookup Guide
A guide to using the Vernier Shield
OpenPIR Hookup Guide
How to use and customize the SparkFun OpenPIR motion sensor.
Basic Autonomous Kit for Sphero RVR Assembly Guide
Get your Basic Autonomous Kit for Sphero RVR all hooked up with this guide!
Qwiic Pressure Sensor (BMP384) Hookup Guide
Get started with the SparkFun Pressure Sensor - BMP384 (Qwiic) following this guide.