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.
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.
Introduction to MQTT
An introduction to MQTT, one of the main communication protocols used with the Internet of Things (IoT).
Magnetic Levitation
This tutorial will show you how to build a magnetic levitation circuit using common parts.
ADXL337 and ADXL377 Accelerometer Hookup Guide
How to get started using both the ADXL337 and ADXL377 3-axis accelerometers with analog outputs.
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.
SparkFun Auto pHAT Hookup Guide
The pHAT to get your projects moving. This guide will help you get started using the Auto pHAT.
SparkFun GPS-RTK Dead Reckoning ZED-F9K Hookup Guide
The u-blox ZED-F9K is a powerful GPS-RTK unit that uses a fusion of IMU, wheel ticks, a vehicle dynamics model, correction data, and GNSS measurements to provide highly accurate and continuous position for navigation in the difficult conditions. We will quickly get you set up using the Qwiic ecosystem through Arduino so that you can start reading the output!