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!

MIDI Tutorial

Understanding the Musical Instrument Digital Interface.

Magnetic Levitation

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

How Does an FPGA Work?

The What, How, Why, and When of Field Programmable Gate Arrays, aka FPGAs

External IO and Metastability

Why external signals can cause metastability and how to use constraint files to manage this

Creating a Humidor Control Box

Because some of our boards need to be re-humidified after reflow, we decided to make our own humidor. This tutorial will focus on how to model a project in 3D and then fabricate it using a CNC routing machine.

Qwiic Accelerometer (MMA8452Q) Hookup Guide

Freescale’s MMA8452Q is a smart, low-power, three-axis, capacitive micro-machined accelerometer with 12-bits of resolution. It’s perfect for any project that needs to sense orientation or motion. We’ve taken that accelerometer and stuck it on a Qwiic-Enabled breakout board to make interfacing with the tiny, QFN package a bit easier.

SparkFun Auto pHAT Hookup Guide

The pHAT to get your projects moving. This guide will help you get started using the Auto pHAT.

SparkFun RTK Express Hookup Guide

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