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!
Data Types in Arduino
Learn about the common data types and what they signify in the Arduino programming environment.
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.
Magnetic Levitation
This tutorial will show you how to build a magnetic levitation circuit using common parts.
External IO and Metastability
Why external signals can cause metastability and how to use constraint files to manage this
MPU-9150 Hookup Guide
A basic guide to get started with the MPU-9150 9 Degrees of Freedom Breakout.
Qwiic Pressure Sensor (BMP384) Hookup Guide
Get started with the SparkFun Pressure Sensor - BMP384 (Qwiic) following this guide.
Qwiic Kit for Raspberry Pi V2 Hookup Guide
Get started with the SGP40, BME280, VCNL4040, and microOLED via I2C using the Qwiic system and Python on a Raspberry Pi! Measure VOC Index, light, temperature, humidity, and pressure from the environment. Then display them on the microOLED, serial terminal, or the cloud with Cayenne!
Detecting Colors with the SparkFun Tristimulus Color Sensor
Detect and classify colors based on their CIE XYZ color space values.