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!

Lessons in Algorithms

Learn techniques on how to use Finite Impulse Response (FIR) filters and other data-processing tools to turn data into information.

Getting Started with LTspice

LTspice is a high performance SPICE simulator, schematic capture and waveform viewer with an impressive library of passive devices. Over 1000 models are included in the download but you can also add third party models.

Magnetic Levitation

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

How Does an FPGA Work?

The What, How, Why, and When of Field Programmable Gate Arrays, aka FPGAs

Programming the SparkFun Edge with Arduino

Running low-power machine learning examples on the SparkFun Edge can now be done using the familiar Arduino IDE. In this follow-up to the initial Edge tutorial, we'll look at how to get three examples up and running without the need to learn an entirely new SDK.

SparkFun GPS-RTK Dead Reckoning ZED-F9R Hookup Guide

The u-blox ZED-F9R is a powerful GPS-RTK unit that uses a fusion of IMU, wheel ticks, a vehicle dynamics model, correction data, and GNSS measurements to provide highly accurate and continuous position for navigation in the difficult conditions. We will quickly get you set up using the Qwiic ecosystem through Arduino and Python so that you can start reading the output!

SparkFun Auto pHAT Hookup Guide

The pHAT to get your projects moving. This guide will help you get started using the Auto pHAT.

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!