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!
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.
Getting Started with OBD-II
A general guide to the OBD-II protocols used for communication in automotive and industrial applications.
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.
MPL3115A2 Pressure Sensor Hookup Guide
Getting started with the MPL3115A2 Pressure Sensor.
Are You Okay? Widget
Use an Electric Imp and accelerometer to create an "Are You OK" widget. A cozy piece of technology your friend or loved one can nudge to let you know they're OK from half-a-world away.
micro:climate Kit Experiment Guide
A weather station kit that is built on top of the inexpensive, easy-to-use micro:bit and Microsoft MakeCode.
Calibrating Your Odometry Sensor
In this tutorial, we will cover how to calibrate your Qwiic Optical Tracking Odometry Sensor (or "OTOS") with Arduino and Python Examples.