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!
Logic Levels
Learn the difference between 3.3V and 5V devices and logic levels.
Hexadecimal
How to interpret hex numbers, and how to convert them to/from decimal and binary.
Introduction to DMX
DMX512 is an industry standard in lighting and stage design, whether it be controlling lights, motors, or lasers, DMX512 has many uses. In this tutorial we’ll cover DMX512 (Digital Multiplex with 512 pieces of information).
Magnetic Levitation
This tutorial will show you how to build a magnetic levitation circuit using common parts.
Touch Potentiometer Hookup Guide
Learn how to use the SparkFun Touch Potentiometer to control lighting, volume or other inputs in your daily life.
LilyPad Safety Scarf
This scarf is embedded with a ribbon of LEDs that illuminate when it gets dark out, making yourself more visible to vehicle and other pedestrians.
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.
Qwiic 6DoF - ISM330DHCX Hookup Guide
Get started with the Qwiic 6DoF ISM330DHCX Breakout Board!