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.

Hexadecimal

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

LogicBlocks & Digital Logic Introduction

Introducing fundamental digital logic concepts and LogicBlocks

Raspberry Pi SPI and I2C Tutorial

Learn how to use serial I2C and SPI buses on your Raspberry Pi using the wiringPi I/O library for C/C++ and spidev/smbus for Python.

Are You Okay? Widget

Use an Electric Imp and accelerometer to create an "Are You OK" widget. A cozy piece of technology your friend or loved one can nudge to let you know they're OK from half-a-world away.

SparkFun Air Quality Sensor - SGP30 (Qwiic) Hookup Guide

A hookup guide to get started with the SparkFun Air Quality Sensor - SGP30 (Qwiic).

Qwiic 6DoF - ISM330DHCX Hookup Guide

Get started with the Qwiic 6DoF ISM330DHCX Breakout Board!

How to Run a 5V Device On a 3.3V System With Qwiic

Power up your 5V I2C devices on the Qwiic system! This tutorial shows you how to use the SparkFun Qwiic 5V Boost to integrate power-hungry sensors like the SEN55 seamlessly.