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.
Hexadecimal
How to interpret hex numbers, and how to convert them to/from decimal and binary.
ASCII
A brief history of how ASCII came to be, how it's useful to computers, and some helpful tables to convert numbers to characters.
Introduction to MQTT
An introduction to MQTT, one of the main communication protocols used with the Internet of Things (IoT).
Experiment Guide for RedBot with Shadow Chassis
This Experiment Guide offers nine experiments to get you started with the SparkFun RedBot. This guide is designed for those who are familiar with our SparkFun Inventor's Kit and want to take their robotics knowledge to the next level.
FLIR Lepton Hookup Guide
See the invisible world of infrared radiation using the FLIR Dev Kit and Raspberry Pi.
Getting Started with the A111 Pulsed Radar Sensor
Get started with the Acconeer A111 SDK with a Raspberry Pi! The tiny A111 pulsed coherent radar (PCR) adds high-precision, cutting-edge distance measurement for speed-, material-, motion-, or gesture-sensing projects! We’re not talking about simple ultrasonic, or even infrared sensors here, but 60GHz radar!
Getting Started with Machinechat
Organize and display your data with SparkFun's Artemis OpenLog and MachineChat's JEDIOne!