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!
Analog to Digital Conversion
The world is analog. Use analog to digital conversion to help digital devices interpret the world.
Voltage Dividers
Turn a large voltage into a smaller one with voltage dividers. This tutorial covers: what a voltage divider circuit looks like and how it is used in the real world.
Hexadecimal
How to interpret hex numbers, and how to convert them to/from decimal and binary.
What is a Battery?
An overview of the inner workings of a battery and how it was invented.
Reed Switch Hookup Guide
Magnetically-actuated reed switches are the perfect component for non-contact proximity sensors. This tutorial provides a quick overview and example hook up.
SparkFun Inventor's Kit Experiment Guide - v4.0
The SparkFun Inventor's Kit (SIK) Experiment Guide contains all of the information needed to build all five projects, encompassing 16 circuits, in the latest version of the kit, v4.0a.
Qwiic Digital Desk Sign with MicroMod
Make a Qwiic-enabled digital desk sign with a MicroMod SAMD51 Processor Board's USB Host and a USB keyboard!
IMU Data to Motion: Tutorial for Translating Sensor Data into Real-World Movement
Sometimes we want to do more with our data than just watch the values roll by on a screen. In this tutorial, we'll take a look at one way we can translate that data to movement.