LED Gumball Machine

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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!

Serial Peripheral Interface (SPI)

SPI is commonly used to connect microcontrollers to peripherals such as sensors, shift registers, and SD cards.

I2C

An introduction to I2C, one of the main embedded communications protocols in use today.

Introduction to DMX

DMX512 is an industry standard in lighting and stage design, whether it be controlling lights, motors, or lasers, DMX512 has many uses. In this tutorial we’ll cover DMX512 (Digital Multiplex with 512 pieces of information).

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.

Interactive Hanging LED Array

Learn how we converted 72 lightbulbs into an interactive LED array for our conference room.

Getting Started with the Artemis Development Kit

This guide covers the general design of the board, the installation of the recommended software used to program the Artemis DK, and some basic examples. For more advanced functionalities, we have separate software development guides for the AmbiqSDK, Arm® Mbed™ OS, and the Arduino IDE platforms that users can reference.

Qwiic Ultrasonic Distance Sensor (HC-SR04) Hookup Guide

Get started with the Qwiic Ultrasonic Distance Sensor!

Qwiic Micro Magnetometer - MMC5983MA Hookup Guide

Let's figure out where we're going with the SparkFun Qwiic Micro Magnetometer - MMC5983MA!