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!
Pull-up Resistors
A quick introduction to pull-up resistors - whey they're important, and how/when to use them.
Series and Parallel Circuits
An introduction into series and parallel circuits.
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.
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.
MAG3110 Magnetometer Hookup Guide
Get started with the MAG3110 3-Axis Magnetometer and learn how to make your own digital compass that senses the Earth's magnetic fields.
Vernier Shield Hookup Guide
A guide to using the Vernier Shield
Sending Sensor Data Over WiFi
This tutorial will show you how setup a simple peer-to-peer connection to send and receive sensor data between two ESP32 WiFi boards.
SparkFun Thing Plus - NINA-B306 Hookup Guide
A quick guide to get started using the SparkFun Thing Plus - NINA-B306. This Thing Plus is loaded with the Arm Cortex-M4 processor in the NINA-B306 along with on-board motion and environmental sensors in the ISM330DHCX 6DoF and BME280 pressure and temperature sensor.