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!

Voltage, Current, Resistance, and Ohm's Law

Learn about Ohm's Law, one of the most fundamental equations in all electrical engineering.

Getting Started with LTspice

LTspice is a high performance SPICE simulator, schematic capture and waveform viewer with an impressive library of passive devices. Over 1000 models are included in the download but you can also add third party models.

RFID Basics

Dive into the basics of Radio Frequency Identification (RFID) technology.

Python Programming Tutorial: Getting Started with the Raspberry Pi

This guide will show you how to write programs on your Raspberry Pi using Python to control hardware.

Hackers in Residence - The ElectricBone

Drum machines and keyboards have been the standard for making digital music, but how do you make electronic music if you're trained to play the trombone? One of our Hackers in Residence, Carlos Mello, took it upon himself to find a solution to that very question.

Getting Started with Load Cells

A tutorial defining what a load cell is and how to use one.

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.

Turn a Qwiic Ultrasonic Distance Sensor into a Garage Distance Sensor

This tutorial will take your SparkFun Qwiic Ultrasonic Distance Sensor to the next level by turning it into a parking distance sensor!