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.
Logic Levels
Learn the difference between 3.3V and 5V devices and logic levels.
LilyPad Basics: E-Sewing
Learn how to use conductive thread with LilyPad components.
How to Use Remote Desktop on the Raspberry Pi with VNC
Use RealVNC to connect to your Raspberry Pi to control the graphical desktop remotely across the network.
AS726X NIR/VIS Spectral Sensor Hookup Guide
It's now easier than ever to measure and characterize how different materials absorb and reflect different wavelengths of light. The AS726X spectral sensors allow you to detect wavelengths in the visible range (VIS) and near infrared range (NIR)!
SparkFun gator:particle Hookup Guide
The gator:particle is an I2C heart-rate monitor and pulse oximeter that can be used as a particle sensor. This tutorial will get you started using the gator:particle with the micro:bit platform.
SparkFun Triple Axis Accelerometer Breakout - BMA400 (Qwiic) Hookup Guide
Add low power triple axis motion monitoring to your Qwiic project using the SparkFun Triple Axis Accelerometer Breakout - BMA400 (Qwiic).
Qwiic Kit for Raspberry Pi V2 Hookup Guide
Get started with the SGP40, BME280, VCNL4040, and microOLED via I2C using the Qwiic system and Python on a Raspberry Pi! Measure VOC Index, light, temperature, humidity, and pressure from the environment. Then display them on the microOLED, serial terminal, or the cloud with Cayenne!