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.
Pulse Width Modulation
An introduction to the concept of Pulse Width Modulation.
Motors and Selecting the Right One
Learn all about different kinds of motors and how they operate.
SparkFun Troubleshooting Tips
Not working as expected? In this tutorial, we will be exploring a few general troubleshooting tips and possible solutions that frequently come up with SparkFun's Technical Support.
LilyPad Temperature Sensor Hookup Guide
How to hook up the LilyPad Temperature Sensor as well as some project ideas and example code.
Reed Switch Hookup Guide
Magnetically-actuated reed switches are the perfect component for non-contact proximity sensors. This tutorial provides a quick overview and example hook up.
SparkFun Environmental Sensor Breakout - BME68x (Qwiic) Hookup Guide
A hookup guide to get started with the BME68x Environmental Sensor from Bosch. Monitor the air quality, temperature, humidity, and barometric pressure with this Qwiic sensor!
SparkFun Humidity Sensor Breakout - SHTC3 (Qwiic) Hookup Guide
A Hookup Guide to get started using the SHTC3 breakout.