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!

Electric Power

An overview of electric power, the rate of energy transfer. We'll talk definition of power, watts, equations, and power ratings. 1.21 gigawatts of tutorial fun!

Lessons in Algorithms

Learn techniques on how to use Finite Impulse Response (FIR) filters and other data-processing tools to turn data into information.

Magnetic Levitation

This tutorial will show you how to build a magnetic levitation circuit using common parts.

Monitor Sensor Data from Anywhere

Using WiFi to send sensor data from an ESP32 to a WiFi network and be able to read it from an IoT Dashboard from anywhere in the world.

Accelerometer Basics

A quick introduction to accelerometers, how they work, and why they're used.

OpenPIR Hookup Guide

How to use and customize the SparkFun OpenPIR motion sensor.

Motion Controlled Wearable LED Dance Harness

Control LEDs based on your movement using an accelerometer! Make your LEDs breathe by fading in and out when laying on the floor, turn off the LEDs when moving to your side, or make the LEDs blink in a headstand!

SparkFun Arduino UNO R4 WiFi Qwiic Kit Hookup Guide

The SparkFun Arduino UNO R4 WiFi Qwiic Kit is a great way to get started with Arduino and the Qwiic-connect system - use this guide to get started!