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!

RFID Basics

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

First FPGA Project - Getting Fancy with PWM

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

Configuring the PATH System Variable

A simple guide for configuring the PATH variable on Win 10, Mac OSX, and Linux systems.

Sending Sensor Data Over WiFi

This tutorial will show you how setup a simple peer-to-peer connection to send and receive sensor data between two ESP32 WiFi boards.

Vernier Photogate

Vernier Photogate Timer -- using the Serial Enabled LCD Kit.

MEMS Microphone Hookup Guide

Get started with the SparkFun analog MEMS microphone breakout board with Arduino! Create a volume unit meter with the ADMP401 or ICS-40180 to react to sound before building your sound visualizer!

MLX90614 IR Thermometer Hookup Guide

How to use the MLX90614 or our SparkFun IR Thermometer Evaluation Board to take temperatures remotely, over short distances.

ZX Distance and Gesture Sensor SMD Hookup Guide

How to connect and use the SparkFun ZX Distance and Gesture Sensor with an Arduino.