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!
Voltage, Current, Resistance, and Ohm's Law
Learn about Ohm's Law, one of the most fundamental equations in all electrical engineering.
MIDI Tutorial
Understanding the Musical Instrument Digital Interface.
Getting Started with OBD-II
A general guide to the OBD-II protocols used for communication in automotive and industrial applications.
LilyPad Basics: Powering Your Project
Learn the options for powering your LilyPad projects, LiPo battery safety and care, and how to calculate and consider power constraints on your projects.
Current Sensor Breakout (ACS723) Hookup Guide
Learn how to measure the current consumption of your project using the ACS723 Current Sensor.
Qwiic Ultrasonic Distance Sensor (HC-SR04) Hookup Guide
Get started with the Qwiic Ultrasonic Distance Sensor!
Air Velocity Sensor Breakout - FS3000 Hookup Guide
Get started with the Air Velocity Sensor Breakout - FS3000!
Analog MEMS Microphone (VM2020) Hookup Guide
Get started with the SparkFun analog MEMS microphone breakout board! In this tutorial, we will be connecting the differential MEMS microphone to an Arduino using the WM8960 audio codec.