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!
What is a Circuit?
Every electrical project starts with a circuit. Don't know what a circuit is? We're here to help.
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.
MIDI Tutorial
Understanding the Musical Instrument Digital Interface.
Python Programming Tutorial: Getting Started with the Raspberry Pi
This guide will show you how to write programs on your Raspberry Pi using Python to control hardware.
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.
ADXL337 and ADXL377 Accelerometer Hookup Guide
How to get started using both the ADXL337 and ADXL377 3-axis accelerometers with analog outputs.
Si7021 Humidity and Temperature Sensor Hookup Guide
The Si7021 humidity and temperature sensor is an easy to use, digital, low-cost sensor to aid you in all your environment sensing needs.
Qwiic GRID-Eye Infrared Array (AMG88xx) Hookup Guide
The Panasonic GRID-Eye (AMG88xx) 8x8 thermopile array serves as a functional low-resolution infrared camera. This means you have a square array of 64 pixels each capable of independent temperature detection. It’s like having thermal camera (or Predator’s vision), just in really low resolution.