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!

Metric Prefixes and SI Units

This tutorial will explain how to use and convert between the standard metric prefixes.

Hexadecimal

How to interpret hex numbers, and how to convert them to/from decimal and binary.

Getting Started with OBD-II

A general guide to the OBD-II protocols used for communication in automotive and industrial applications.

How Does an FPGA Work?

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

APDS-9960 RGB and Gesture Sensor Hookup Guide

Getting started guide for the Avago APDS-9960 color, proximity, and gesture sensor.

Raspberry Pi Zero Helmet Impact Force Monitor

How much impact can the human body handle? This tutorial will teach you how to build your very own impact force monitor using a helmet, Raspberry Pi Zero, and accelerometer!

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!

SparkFun Absolute Digital Barometer - LPS28DFW (Qwiic) Hookup Guide

Get started adding water-resistant pressure sensing using the SparkFun Absolute Digital Barometer - LPS28DFW (Qwiic) following this guide.