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!
Hexadecimal
How to interpret hex numbers, and how to convert them to/from decimal and binary.
MIDI Tutorial
Understanding the Musical Instrument Digital Interface.
Raspberry gPIo
How to use either Python or C++ to drive the I/O lines on a Raspberry Pi.
Lessons in Algorithms
Learn techniques on how to use Finite Impulse Response (FIR) filters and other data-processing tools to turn data into information.
Piezo Vibration Sensor Hookup Guide
How to combine a piezo sensor, high-value resistor, and an Arduino to create a vibration sensor.
ZX Distance and Gesture Sensor SMD Hookup Guide
How to connect and use the SparkFun ZX Distance and Gesture Sensor with an Arduino.
Basic Autonomous Kit for Sphero RVR Assembly Guide
Get your Basic Autonomous Kit for Sphero RVR all hooked up with this guide!
Qwiic Digital Desk Sign with MicroMod
Make a Qwiic-enabled digital desk sign with a MicroMod SAMD51 Processor Board's USB Host and a USB keyboard!