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!
Raspberry Pi SPI and I2C Tutorial
Learn how to use serial I2C and SPI buses on your Raspberry Pi using the wiringPi I/O library for C/C++ and spidev/smbus for Python.
RFID Basics
Dive into the basics of Radio Frequency Identification (RFID) technology.
Magnetic Levitation
This tutorial will show you how to build a magnetic levitation circuit using common parts.
First FPGA Project - Getting Fancy with PWM
An initial project using Alchitry's onboard FPGA to manipulate PWM
Are You Okay? Widget
Use an Electric Imp and accelerometer to create an "Are You OK" widget. A cozy piece of technology your friend or loved one can nudge to let you know they're OK from half-a-world away.
Getting Started with Load Cells
A tutorial defining what a load cell is and how to use one.
AT42QT101X Capacitive Touch Breakout Hookup Guide
Learn how to use the simple SparkFun AT42QT1010 and AT42QT1011 capacitive touch breakout boards.
SparkFun Qwiic MicroPressure Hookup Guide
Get started using your Qwiic MicroPressure breakout board with this hookup guide.