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!

Pull-up Resistors

A quick introduction to pull-up resistors - whey they're important, and how/when to use them.

Voltage Dividers

Turn a large voltage into a smaller one with voltage dividers. This tutorial covers: what a voltage divider circuit looks like and how it is used in the real world.

LogicBlocks & Digital Logic Introduction

Introducing fundamental digital logic concepts and LogicBlocks

Programming an FPGA

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

INA169 Breakout Board Hookup Guide

How to interface with the INA169 Breakout Board to measure current.

Electret Mic Breakout Board Hookup Guide

An introduction to working with the Electret Mic Breakout Board.

Getting Started with the A111 Pulsed Radar Sensor

Get started with the Acconeer A111 SDK with a Raspberry Pi! The tiny A111 pulsed coherent radar (PCR) adds high-precision, cutting-edge distance measurement for speed-, material-, motion-, or gesture-sensing projects! We’re not talking about simple ultrasonic, or even infrared sensors here, but 60GHz radar!

Qwiic Digital Indoor Thermometer

Qwiic-ly build a digital indoor thermometer to measure the ambient temperature of the room and display it using an OLED on an I2C bus!