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!
Digital Logic
A primer on digital logic concepts in hardware and software.
Motors and Selecting the Right One
Learn all about different kinds of motors and how they operate.
RFID Basics
Dive into the basics of Radio Frequency Identification (RFID) technology.
Magnetic Levitation
This tutorial will show you how to build a magnetic levitation circuit using common parts.
MLX90614 IR Thermometer Hookup Guide
How to use the MLX90614 or our SparkFun IR Thermometer Evaluation Board to take temperatures remotely, over short distances.
Electret Mic Breakout Board Hookup Guide
An introduction to working with the Electret Mic Breakout Board.
OpenLog Hookup Guide
An introduction to working with the OpenLog data logger.
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.