LED Gumball Machine
Contributors:
Nate
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!
Processor Interrupts with Arduino
What is an interrupt? In a nutshell, there is a method by which a processor can execute its normal program while continuously monitoring for some kind of event, or interrupt. There are two types of interrupts: hardware and software interrupts. For the purposes of this tutorial, we will focus on hardware interrupts.
MIDI Tutorial
Understanding the Musical Instrument Digital Interface.
First FPGA Project - Getting Fancy with PWM
An initial project using Alchitry's onboard FPGA to manipulate PWM
External IO and Metastability
Why external signals can cause metastability and how to use constraint files to manage this
Experiment Guide for RedBot with Shadow Chassis
This Experiment Guide offers nine experiments to get you started with the SparkFun RedBot. This guide is designed for those who are familiar with our SparkFun Inventor's Kit and want to take their robotics knowledge to the next level.
SparkFun Inventor's Kit for micro:bit Experiment Guide
This guide contains all the information you will need to explore the twelve circuits of the SparkFun Inventors Kit for micro:bit.
ESP32 Thing Motion Shield Hookup Guide
Getting started with the ESP32 Thing Motion Shield to detect movements using the on-board LSM9DS1 IMU and adding a GPS receiver. Data can be easily logged by adding an microSD card to the slot.
Wireless Timing Project
Time for racing, let's make a wireless timing device using ESP32 wireless communication.