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!
Electric Power
An overview of electric power, the rate of energy transfer. We'll talk definition of power, watts, equations, and power ratings. 1.21 gigawatts of tutorial fun!
Data Types in Arduino
Learn about the common data types and what they signify in the Arduino programming environment.
Magnetic Levitation
This tutorial will show you how to build a magnetic levitation circuit using common parts.
Sending Sensor Data Over WiFi
This tutorial will show you how setup a simple peer-to-peer connection to send and receive sensor data between two ESP32 WiFi boards.
Vernier Shield Hookup Guide
A guide to using the Vernier Shield
Electret Mic Breakout Board Hookup Guide
An introduction to working with the Electret Mic Breakout Board.
MicroMod Asset Tracker Carrier Board Hookup Guide
Get started with the SparkFun MicroMod Asset Tracker Carrier Board following this Hookup Guide. The Asset Tracker uses the u-blox SARA-R510M8S LTE-M / NB-IoT module to provide a host of data communication options.
Air Quality Sensor - SGP40 (Qwiic) Hookup Guide
Get started measuring indoor air quality with the SparkFun Air Quality Sensor - SGP40 (Qwiic) Hookup Guide.