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 a Circuit?

Every electrical project starts with a circuit. Don't know what a circuit is? We're here to help.

Hexadecimal

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

LilyPad Basics: Powering Your Project

Learn the options for powering your LilyPad projects, LiPo battery safety and care, and how to calculate and consider power constraints on your projects.

First FPGA Project - Getting Fancy with PWM

An initial project using Alchitry's onboard FPGA to manipulate PWM

HMC6343 3-axis Compass Hookup Guide

How to hook the HMC6343 -- a high-end, tilt-compensated compass module -- up to an Arduino. Never get lost again!

9DoF Sensor Stick Hookup Guide

How to connect and use the SparkFun 9 Degrees of Freedom Sensor Stick with an Arduino

SparkFun Indoor Air Quality Sensor - ENS160 (Qwiic) Hookup Guide

Is your air safe? Check your eCO2, TVOC, and AQI levels with the new SparkFun Indoor Air Quality Sensor - ENS160!

SparkFun Temperature Sensor - STTS22H (Qwiic) Hookup Guide

Get started with the ultralow-power, high-accuracy, qwiic-enabled SparkFun Temperature Sensor - STTS22H!