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!
Getting Started with OBD-II
A general guide to the OBD-II protocols used for communication in automotive and industrial applications.
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.
Understanding Thermal Resistance
Discussing what thermal resistance is, how it’s used for thermal management, and how to maximize the life of your project.
External IO and Metastability
Why external signals can cause metastability and how to use constraint files to manage this
Getting Started with the micro:bit
The BBC micro:bit is a compact, powerful programming tool that requires no software installation. Read on to learn how to use it YOUR way!
Qwiic Proximity Sensor (VCNL4040) Hookup Guide
The SparkFun Qwiic Proximity Sensor is a great, qualitative proximity (up to 20 cm) and light sensor. This hookup guide covers a few examples to retrieve basic sensor readings.
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).
Garage Distance Sensor
This tutorial will take your SparkFun Qwiic Ultrasonic Distance Sensor to the next level by turning it into a parking distance sensor!