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!

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!

Logic Levels

Learn the difference between 3.3V and 5V devices and logic levels.

Python Programming Tutorial: Getting Started with the Raspberry Pi

This guide will show you how to write programs on your Raspberry Pi using Python to control hardware.

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.

Touch Potentiometer Hookup Guide

Learn how to use the SparkFun Touch Potentiometer to control lighting, volume or other inputs in your daily life.

Qwiic Ambient Light Sensor (VEML6030) Hookup Guide

The VEML6030 is a high accuracy ambient light sensor with 16-bit resolution. This I2C sensor can detect light similar to the human eye response. Start detecting light levels in your environment!

Artemis Global Tracker Hookup Guide

The SparkFun Artemis Global Tracker combines the Artemis processor with an Iridium 9603N satellite transceiver, ZOE-M8Q GNSS transceiver, and MS8607 PHT sensor. With a clear view of the sky, this board allows you to send and receive short data messages from anywhere in the world including remote locations far beyond the reach of WiFi and GSM networks. Follow this guide to get started with the Artemis Global Tracker.

Calibrating Your Odometry Sensor

In this tutorial, we will cover how to calibrate your Qwiic Optical Tracking Odometry Sensor (or "OTOS") with Arduino and Python Examples.