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!
What is a Circuit?
Every electrical project starts with a circuit. Don't know what a circuit is? We're here to help.
Accelerometer Basics
A quick introduction to accelerometers, how they work, and why they're used.
AST-CAN485 Hookup Guide
The AST CAN485 is a miniature Arduino in the compact form factor of the ProMini. In addition to all the usual features it has on-board CAN and RS485 ports enabling quick and easy interfacing to a multitude of industrial devices.
Fuse Breakout Board Hookup Guide
Protect your project by adding a fuse in your circuit to save it from molten destruction.
Sensor Kit Resource Hub
An overview of each component in the SparkFun Sensor Kit, plus links to tutorials and other resources you'll need to hook them up.
Spectral Triad (AS7265x) Hookup Guide
Learn how to wield the power of 18 channels of UV to NIR spectroscopy with AS72651 (UV), AS72652 (VIS), and AS72653 (NIR) sensors!
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.
Display Distance Measurements On an OLED
This tutorial will take your SparkFun Qwiic Ultrasonic Distance Sensor to the next level by adding a cool little OLED display.