LED Gumball Machine

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Contributors: 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!

Serial Peripheral Interface (SPI)

SPI is commonly used to connect microcontrollers to peripherals such as sensors, shift registers, and SD cards.

Digital Logic

A primer on digital logic concepts in hardware and software.

RFID Basics

Dive into the basics of Radio Frequency Identification (RFID) technology.

Understanding Thermal Resistance

Discussing what thermal resistance is, how it’s used for thermal management, and how to maximize the life of your project.

Humidity-sensing LED Flower

How about that humidity? This tutorial shows how to add sensing capability to the 21st Century Fashion Kit's RGB flower project.

LilyPad Light Sensor Hookup Guide

How to hook up the LilyPad Light Sensor as well as some project ideas and example code.

SparkFun BME280 Breakout Hookup Guide

A guide for connecting the BME280 sensor to a microcontroller, and for using the SparkFun Arduino library.

SparkFun RTK Express Hookup Guide

Learn how to use the enclosed RTK Express product to achieve millimeter level geospatial coordinates.