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!
Light
Light is a useful tool for the electrical engineer. Understanding how light relates to electronics is a fundamental skill for many projects.
Analog to Digital Conversion
The world is analog. Use analog to digital conversion to help digital devices interpret the world.
Polarity
An introduction to polarity in electronic components. Discover what polarity is, which parts have it, and how to identify it.
MIDI Tutorial
Understanding the Musical Instrument Digital Interface.
Touch Potentiometer Hookup Guide
Learn how to use the SparkFun Touch Potentiometer to control lighting, volume or other inputs in your daily life.
Electret Mic Breakout Board Hookup Guide
An introduction to working with the Electret Mic Breakout Board.
ESP32 Relay Web Server
The goal of this project is to have a website hosted on an ESP32 that controls any relay controlled device connected to a local network and keeps a dynamically updated state of those devices.
SparkFun Qwiic MicroPressure Hookup Guide
Get started using your Qwiic MicroPressure breakout board with this hookup guide.