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!
Light
Light is a useful tool for the electrical engineer. Understanding how light relates to electronics is a fundamental skill for many projects.
What is Electricity?
We can see electricity in action on our computers, lighting our houses, as lightning strikes in thunderstorms, but what is it? This is not an easy question, but this tutorial will shed some light on it!
First FPGA Project - Getting Fancy with PWM
An initial project using Alchitry's onboard FPGA to manipulate PWM
External IO and Metastability
Why external signals can cause metastability and how to use constraint files to manage this
Hackers in Residence - The ElectricBone
Drum machines and keyboards have been the standard for making digital music, but how do you make electronic music if you're trained to play the trombone? One of our Hackers in Residence, Carlos Mello, took it upon himself to find a solution to that very question.
HIH-4030 Humidity Sensor Hookup Guide
Measure relative humidity with SparkFun's HIH-4030 Humidity Sensor Breakout.
Gator:starter ProtoSnap Hookup Guide
Get started clipping sensors and lights to the micro:bit with the gator:starter gator:board from SparkFun!
Garmin LIDAR-Lite v4 (Qwiic) Hookup Guide
Connecting the Garmin LIDAR-Lite v4 to a microcontroller just got easier! Check out our hookup guide to get started.