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!
Pull-up Resistors
A quick introduction to pull-up resistors - whey they're important, and how/when to use them.
Serial Peripheral Interface (SPI)
SPI is commonly used to connect microcontrollers to peripherals such as sensors, shift registers, and SD cards.
Motors and Selecting the Right One
Learn all about different kinds of motors and how they operate.
Introduction to MQTT
An introduction to MQTT, one of the main communication protocols used with the Internet of Things (IoT).
ITG-3200 Hookup Guide
Learn how to interact with the ITG-3200 Triple Axis Gyroscope.
INA169 Breakout Board Hookup Guide
How to interface with the INA169 Breakout Board to measure current.
Vernier Shield Hookup Guide
A guide to using the Vernier Shield
HIH-4030 Humidity Sensor Hookup Guide
Measure relative humidity with SparkFun's HIH-4030 Humidity Sensor Breakout.