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!

Digital Logic

A primer on digital logic concepts in hardware and software.

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.

Understanding Thermal Resistance

Discussing what thermal resistance is, how it’s used for thermal management, and how to maximize the life of your project.

Programming an FPGA

Come look at the basics of working with Field Programmable Gate Arrays.

Wake-on-Shake Hookup Guide

A basic hookup guide for getting started with the SparkFun Wake-on-Shake. The board gives you the ability to put your project into hibernation until bumped or shaken awake using the ADXL362 accelerometer. This means you can design projects meant to stay inert for long periods of time, possibly even several years, depending on the battery type used to power the project.

SparkFun RTK Express Hookup Guide

Learn how to use the enclosed RTK Express product to achieve millimeter level geospatial coordinates.

Artemis Global Tracker Hookup Guide

The SparkFun Artemis Global Tracker combines the Artemis processor with an Iridium 9603N satellite transceiver, ZOE-M8Q GNSS transceiver, and MS8607 PHT sensor. With a clear view of the sky, this board allows you to send and receive short data messages from anywhere in the world including remote locations far beyond the reach of WiFi and GSM networks. Follow this guide to get started with the Artemis Global Tracker.

Sending Sensor Data over LoRa

This tutorial will show you how setup a simple peer-to-peer connection to send and receive sensor data using LoRa.