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 Communication
Asynchronous serial communication concepts: packets, signal levels, baud rates, UARTs and more!
Data Types in Arduino
Learn about the common data types and what they signify in the Arduino programming environment.
Alternating Current (AC) vs. Direct Current (DC)
Learn the differences between AC and DC, the history, different ways to generate AC and DC, and examples of applications.
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.
Creating a Humidor Control Box
Because some of our boards need to be re-humidified after reflow, we decided to make our own humidor. This tutorial will focus on how to model a project in 3D and then fabricate it using a CNC routing machine.
SparkFun PIR Breakout Hookup Guide
Get started with these Panasonic EKM-Series PIR breakouts following this Hookup Guide.
Getting Started with Machinechat
Organize and display your data with SparkFun's Artemis OpenLog and MachineChat's JEDIOne!
SparkFun Temperature Sensor - STTS22H (Qwiic) Hookup Guide
Get started with the ultralow-power, high-accuracy, qwiic-enabled SparkFun Temperature Sensor - STTS22H!