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!

Light

Light is a useful tool for the electrical engineer. Understanding how light relates to electronics is a fundamental skill for many projects.

Analog vs. Digital

This tutorial covers the concept of analog and digital signals, as they relate to electronics.

Programming an FPGA

Come look at the basics of working with Field Programmable Gate Arrays.

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.

Soil moisture-sensing by hacking a solar light

How to take a solar powered pathway light from a hardware store and make it into a crude soil moisture sensor.

Qwiic Magnetometer (MLX90393) Hookup Guide

Figure out how magnetic fields are oriented, all without having to solder a thing.

SparkFun gator:environment Hookup Guide

The gator:environment combines two I2C sensors for temperature, humidity, pressure, eCO2, and eTVOC values. This tutorial will get you started using the gator:environment with the micro:bit platform.

SparkFun Arduino UNO R4 WiFi Qwiic Kit Hookup Guide

The SparkFun Arduino UNO R4 WiFi Qwiic Kit is a great way to get started with Arduino and the Qwiic-connect system - use this guide to get started!