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!

PCB Basics

What exactly IS a PCB? This tutorial will breakdown what makes up a PCB and some of the common terms used in the PCB world.

Raspberry Pi SPI and I2C Tutorial

Learn how to use serial I2C and SPI buses on your Raspberry Pi using the wiringPi I/O library for C/C++ and spidev/smbus for Python.

ASCII

A brief history of how ASCII came to be, how it's useful to computers, and some helpful tables to convert numbers to characters.

Lessons in Algorithms

Learn techniques on how to use Finite Impulse Response (FIR) filters and other data-processing tools to turn data into information.

SparkFun Environmental Sensor Breakout - BME68x (Qwiic) Hookup Guide

A hookup guide to get started with the BME68x Environmental Sensor from Bosch. Monitor the air quality, temperature, humidity, and barometric pressure with this Qwiic sensor!

SparkFun PIR Breakout Hookup Guide

Get started with these Panasonic EKM-Series PIR breakouts following this Hookup Guide.

Air Velocity Sensor Breakout - FS3000 Hookup Guide

Get started with the Air Velocity Sensor Breakout - FS3000!

Qwiic ToF Imager - VL53L5CX Hookup Guide

Hookup Guide for the Qwiic ToF Imager - VL53L5CX