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!

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.

RFID Basics

Dive into the basics of Radio Frequency Identification (RFID) technology.

Magnetic Levitation

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

First FPGA Project - Getting Fancy with PWM

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

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.

Getting Started with Load Cells

A tutorial defining what a load cell is and how to use one.

AT42QT101X Capacitive Touch Breakout Hookup Guide

Learn how to use the simple SparkFun AT42QT1010 and AT42QT1011 capacitive touch breakout boards.

SparkFun Qwiic MicroPressure Hookup Guide

Get started using your Qwiic MicroPressure breakout board with this hookup guide.