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!

Voltage Dividers

Turn a large voltage into a smaller one with voltage dividers. This tutorial covers: what a voltage divider circuit looks like and how it is used in the real world.

Analog vs. Digital

This tutorial covers the concept of analog and digital signals, as they relate to electronics.

Digital Logic

A primer on digital logic concepts in hardware and software.

Sending Sensor Data Over WiFi

This tutorial will show you how setup a simple peer-to-peer connection to send and receive sensor data between two ESP32 WiFi boards.

ZX Distance and Gesture Sensor SMD Hookup Guide

How to connect and use the SparkFun ZX Distance and Gesture Sensor with an Arduino.

SparkFun WiFi IR Blaster Hookup Guide

How to assemble the WiFi IR Blaster and program it using Arduino. You'll be controlling IR devices from the web in no time!

Getting Started with the Autonomous Kit for the Sphero RVR

Want to get started in robotics? Look no further than the SparkFun autonomous kit for the Sphero RVR! Whether you purchased the Basic or Advanced kit, this tutorial will get you rolling...

Getting Started with the MyoWare® 2.0 Muscle Sensor Ecosystem

The MyoWare® 2.0 Muscle Sensor, an Arduino-compatible, all-in-one electromyography (EMG) sensor from Advancer Technologies. In this tutorial, we will go over the features and related shields to connect the sensor to a muscle group.