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!
Serial Peripheral Interface (SPI)
SPI is commonly used to connect microcontrollers to peripherals such as sensors, shift registers, and SD cards.
Accelerometer Basics
A quick introduction to accelerometers, how they work, and why they're used.
ASCII
A brief history of how ASCII came to be, how it's useful to computers, and some helpful tables to convert numbers to characters.
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.
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 Flex Glove Controller Hookup Guide
Is your finger bent? Is your finger straight? The Qwiic Flex Glove controller board will answer this age old question for you with the flex sensor!
Magnetic Levitation
This tutorial will show you how to build a magnetic levitation circuit using common parts.
Digital Temperature Sensor Breakout - AS6212 (Qwiic) Hookup Guide
Get started measuring highly accurate temperatures at extremely low power with the AS6212 temperature sensor on the SparkFun Digital Temperature Sensor Breakout - AS6212 (Qwiic).