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!
Metric Prefixes and SI Units
This tutorial will explain how to use and convert between the standard metric prefixes.
Digital Logic
A primer on digital logic concepts in hardware and software.
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.
Understanding Thermal Resistance
Discussing what thermal resistance is, how it’s used for thermal management, and how to maximize the life of your project.
Accelerometer Basics
A quick introduction to accelerometers, how they work, and why they're used.
Vernier Photogate
Vernier Photogate Timer -- using the Serial Enabled LCD Kit.
ESP32 Thing Motion Shield Hookup Guide
Getting started with the ESP32 Thing Motion Shield to detect movements using the on-board LSM9DS1 IMU and adding a GPS receiver. Data can be easily logged by adding an microSD card to the slot.
Current Sensor Breakout (ACS723) Hookup Guide
Learn how to measure the current consumption of your project using the ACS723 Current Sensor.