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!
Accelerometer Basics
A quick introduction to accelerometers, how they work, and why they're used.
I2C
An introduction to I2C, one of the main embedded communications protocols in use today.
Magnetic Levitation
This tutorial will show you how to build a magnetic levitation circuit using common parts.
External IO and Metastability
Why external signals can cause metastability and how to use constraint files to manage this
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.
Flex Sensor Hookup Guide
An overview of the flex sensor - a bendable variable resistor. Plus, example circuits and Arduino code to get you started!
Magnetic Levitation
This tutorial will show you how to build a magnetic levitation circuit using common parts.
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.