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.
Hexadecimal
How to interpret hex numbers, and how to convert them to/from decimal and binary.
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.
First FPGA Project - Getting Fancy with PWM
An initial project using Alchitry's onboard FPGA to manipulate PWM
HMC6343 3-axis Compass Hookup Guide
How to hook the HMC6343 -- a high-end, tilt-compensated compass module -- up to an Arduino. Never get lost again!
9DoF Sensor Stick Hookup Guide
How to connect and use the SparkFun 9 Degrees of Freedom Sensor Stick with an Arduino
SparkFun Indoor Air Quality Sensor - ENS160 (Qwiic) Hookup Guide
Is your air safe? Check your eCO2, TVOC, and AQI levels with the new SparkFun Indoor Air Quality Sensor - ENS160!
SparkFun Temperature Sensor - STTS22H (Qwiic) Hookup Guide
Get started with the ultralow-power, high-accuracy, qwiic-enabled SparkFun Temperature Sensor - STTS22H!