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!
Pull-up Resistors
A quick introduction to pull-up resistors - whey they're important, and how/when to use them.
I2C
An introduction to I2C, one of the main embedded communications protocols in use today.
LogicBlocks & Digital Logic Introduction
Introducing fundamental digital logic concepts and LogicBlocks
Monitor Sensor Data from Anywhere
Using WiFi to send sensor data from an ESP32 to a WiFi network and be able to read it from an IoT Dashboard from anywhere in the world.
LilyPad Temperature Sensor Hookup Guide
How to hook up the LilyPad Temperature Sensor as well as some project ideas and example code.
Current Sensor Breakout (ACS723) Hookup Guide
Learn how to measure the current consumption of your project using the ACS723 Current Sensor.
Getting Started with the Autonomous Kit for the Sphero RVR
Want to get started in robotics? Look no further than the SparkFun autonomous kit for the Sphero RVR! Whether you purchased the Basic or Advanced kit, this tutorial will get you rolling...
Measuring Height with Atmospheric Pressure
Measure height using atmospheric pressure with your Qwiic MicroPressure breakout board!