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.
Logic Levels
Learn the difference between 3.3V and 5V devices and logic levels.
Digital Logic
A primer on digital logic concepts in hardware and software.
External IO and Metastability
Why external signals can cause metastability and how to use constraint files to manage this
LSM303C 6DoF Hookup Guide
A basic guide to get started with the LSM303C 6 Degrees of Freedom Breakout.
Pyboard Hookup Guide
Getting started with the Pyboard using MicroPython.
Qwiic SHIM Kit for Raspberry Pi Hookup Guide
Get started with the Serial LCD with RGB backlight and 9DoF IMU (ICM-20948) via I2C using the Qwiic system and Python on a Raspberry Pi! Take sensor readings and display them in the serial terminal or SerLCD.
SparkFun Absolute Digital Barometer - LPS28DFW (Qwiic) Hookup Guide
Get started adding water-resistant pressure sensing using the SparkFun Absolute Digital Barometer - LPS28DFW (Qwiic) following this guide.