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!

What is a Battery?

An overview of the inner workings of a battery and how it was invented.

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.

How to Use Remote Desktop on the Raspberry Pi with VNC

Use RealVNC to connect to your Raspberry Pi to control the graphical desktop remotely across the network.

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.

Simultaneous RFID Tag Reader Hookup Guide

A basic guide to getting started with the RFID Tag Reader breakout and how to read and write multiple RFID tags over multiple feet!

LilyPad Safety Scarf

This scarf is embedded with a ribbon of LEDs that illuminate when it gets dark out, making yourself more visible to vehicle and other pedestrians.

Qwiic Atmospheric Sensor (BME280) Hookup Guide

Measure temperature, humidity, barometric pressure with the SparkFun Atmospheric Sensor Breakout BME280 (Qwiic).

SparkFun Arduino UNO R4 WiFi Qwiic Kit Hookup Guide

The SparkFun Arduino UNO R4 WiFi Qwiic Kit is a great way to get started with Arduino and the Qwiic-connect system - use this guide to get started!