LED Gumball Machine

Pages
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!

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.