LED Gumball Machine
Contributors:
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!
Analog vs. Digital
This tutorial covers the concept of analog and digital signals, as they relate to electronics.
Hexadecimal
How to interpret hex numbers, and how to convert them to/from decimal and binary.
ASCII
A brief history of how ASCII came to be, how it's useful to computers, and some helpful tables to convert numbers to characters.
AST-CAN485 Hookup Guide
The AST CAN485 is a miniature Arduino in the compact form factor of the ProMini. In addition to all the usual features it has on-board CAN and RS485 ports enabling quick and easy interfacing to a multitude of industrial devices.
Piezo Vibration Sensor Hookup Guide
How to combine a piezo sensor, high-value resistor, and an Arduino to create a vibration sensor.
Getting Started with the micro:bit
The BBC micro:bit is a compact, powerful programming tool that requires no software installation. Read on to learn how to use it YOUR way!
Sending Sensor Data over LoRa
This tutorial will show you how setup a simple peer-to-peer connection to send and receive sensor data using LoRa.
Analog MEMS Microphone (VM2020) Hookup Guide
Get started with the SparkFun analog MEMS microphone breakout board! In this tutorial, we will be connecting the differential MEMS microphone to an Arduino using the WM8960 audio codec.