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 Communication

Asynchronous serial communication concepts: packets, signal levels, baud rates, UARTs and more!

Digital Logic

A primer on digital logic concepts in hardware and software.

LogicBlocks & Digital Logic Introduction

Introducing fundamental digital logic concepts and LogicBlocks

Magnetic Levitation

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

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.

TFMini - Micro LiDAR Module Hookup Guide

The TFMini is a ToF (Time of Flight) LiDAR sensor capable of measuring the distance to an object as close as 30 cm and as far as 12 meters! The TFMini allows you to integrate LiDAR into applications traditionally reserved for smaller sensors such as the SHARP GP-series infrared rangefinders.

Spectral Triad (AS7265x) Hookup Guide

Learn how to wield the power of 18 channels of UV to NIR spectroscopy with AS72651 (UV), AS72652 (VIS), and AS72653 (NIR) sensors!

Analog MEMS Microphone Breakout - SPH8878LR5H-1 Hookup Guide

Get started with sound monitoring using the SparkFun analog MEMS microphone breakout board with Arduino!