LED Gumball Machine

Pages
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!

Analog to Digital Conversion

The world is analog. Use analog to digital conversion to help digital devices interpret the world.

Button and Switch Basics

A tutorial on electronics' most overlooked and underappreciated component: the switch! Here we explain the difference between momentary and maintained switches and what all those acronyms (NO, NC, SPDT, SPST, ...) stand for.

I2C

An introduction to I2C, one of the main embedded communications protocols in use today.

MIDI Tutorial

Understanding the Musical Instrument Digital Interface.

Hackers in Residence - The ElectricBone

Drum machines and keyboards have been the standard for making digital music, but how do you make electronic music if you're trained to play the trombone? One of our Hackers in Residence, Carlos Mello, took it upon himself to find a solution to that very question.

OpenScale Applications and Hookup Guide

OpenScale allows you to have a permanent scale for industrial and biological applications. Learn how to use the OpenScale board to read and configure load cells.

MicroMod Qwiic Pro Kit Project Guide

The MicroMod Qwiic Pro Kit was designed to allow users to get started with Arduino without the need for soldering or a breadboard. We've included three inputs (a joystick, accelerometer, and proximity sensor) and one display that can be daisy chained to the MicroMod SAMD51 Processor Board.

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!