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!

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.

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.

Programming an FPGA

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

First FPGA Project - Getting Fancy with PWM

An initial project using Alchitry's onboard FPGA to manipulate PWM

Qwiic Distance Sensor (VL53L1X, VL53L4CD) Hookup Guide

The Qwiic Distance Sensor - VL53L1X is a time of flight sensor that is capable of several modes, as well as having a range of 4M. It's cousin VL53L4CD is also a time of flight sensor with similar characteristics but it has a range of about 1.3M. Let's hook it up and find out just how far away that thing over there is.

TFMini - Micro LiDAR Module (Qwiic) Hookup Guide

The TFMini is a ToF (Time of Flight) LiDAR sensor capable of measuring the distance to an object as close as 30 cm and as far as 12 meters! The TFMini allows you to easily integrate LiDAR into applications traditionally reserved for smaller sensors such as the SHARP GP-series infrared rangefinders. With the added Qwiic feature, you can quickly connect to the sensor via I2C!

Qwiic Digital Desk Sign with MicroMod

Make a Qwiic-enabled digital desk sign with a MicroMod SAMD51 Processor Board's USB Host and a USB keyboard!

Qwiic Ultrasonic Distance Sensor (HC-SR04) Hookup Guide

Get started with the Qwiic Ultrasonic Distance Sensor!