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!
Series and Parallel Circuits
An introduction into series and parallel circuits.
Hexadecimal
How to interpret hex numbers, and how to convert them to/from decimal and binary.
LogicBlocks Experiment Guide
Experiments guide for the LogicBlocks kit. Build oscillators, latches, multiplexers and more with the LogicBlocks.
Connectivity of the Internet of Things
An overview of the different protocols that can be used for the development of Internet of Things (IoT)-based projects.
ISL29125 RGB Light Sensor Hookup Guide
A guide to help you integrate the ISL29125 RGB light sensor breakout board into your electronic projects.
LilyPad Temperature Sensor Hookup Guide
How to hook up the LilyPad Temperature Sensor as well as some project ideas and example code.
HIH-4030 Humidity Sensor Hookup Guide
Measure relative humidity with SparkFun's HIH-4030 Humidity Sensor Breakout.
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.