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!
Voltage, Current, Resistance, and Ohm's Law
Learn about Ohm's Law, one of the most fundamental equations in all electrical engineering.
Analog vs. Digital
This tutorial covers the concept of analog and digital signals, as they relate to electronics.
What is a Battery?
An overview of the inner workings of a battery and how it was invented.
Programming an FPGA
Come look at the basics of working with Field Programmable Gate Arrays.
Vernier Photogate
Vernier Photogate Timer -- using the Serial Enabled LCD Kit.
Sending Sensor Data Over WiFi
This tutorial will show you how setup a simple peer-to-peer connection to send and receive sensor data between two ESP32 WiFi boards.
Analog MEMS Microphone Breakout - SPH8878LR5H-1 Hookup Guide
Get started with sound monitoring using the SparkFun analog MEMS microphone breakout board with Arduino!
SparkFun Arduino UNO R4 WiFi Qwiic Kit Hookup Guide
The SparkFun Arduino UNO R4 WiFi Qwiic Kit is a great way to get started with Arduino and the Qwiic-connect system - use this guide to get started!