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.
Metric Prefixes and SI Units
This tutorial will explain how to use and convert between the standard metric prefixes.
Alternating Current (AC) vs. Direct Current (DC)
Learn the differences between AC and DC, the history, different ways to generate AC and DC, and examples of applications.
What is a Battery?
An overview of the inner workings of a battery and how it was invented.
SparkFun Inventor's Kit for Edison Experiment Guide
Learn how to harness the power of the Intel® Edison using JavaScript to post data to the cloud, control electronics from smartphones, and host web pages that interact with circuits.
SparkFun GPS Breakout - XA1110 (Qwiic) Hookup Guide
Figure out where in the world you are with the Qwiic SparkFun GPS Breakout - XA1110.
Qwiic ToF Imager - VL53L5CX Hookup Guide
Hookup Guide for the Qwiic ToF Imager - VL53L5CX
SparkFun Thing Plus - NINA-B306 Hookup Guide
A quick guide to get started using the SparkFun Thing Plus - NINA-B306. This Thing Plus is loaded with the Arm Cortex-M4 processor in the NINA-B306 along with on-board motion and environmental sensors in the ISM330DHCX 6DoF and BME280 pressure and temperature sensor.