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!

Digital Logic

A primer on digital logic concepts in hardware and software.

Introduction to Operational Amplifiers with LTSpice

Picking up where we left off in "Getting Started with LTSpice," we delve a little deeper into LTSpice through an introduction of Operational Amplifiers (OpAmps).

How Does an FPGA Work?

The What, How, Why, and When of Field Programmable Gate Arrays, aka FPGAs

Configuring the PATH System Variable

A simple guide for configuring the PATH variable on Win 10, Mac OSX, and Linux systems.

H3LIS331DL Accelerometer Breakout Hookup Guide

Hookup guide and library usage details for the triple axis accelerometer H3LIS331DL high-g accelerometer.

Qwiic Accelerometer (MMA8452Q) Hookup Guide

Freescale’s MMA8452Q is a smart, low-power, three-axis, capacitive micro-machined accelerometer with 12-bits of resolution. It’s perfect for any project that needs to sense orientation or motion. We’ve taken that accelerometer and stuck it on a Qwiic-Enabled breakout board to make interfacing with the tiny, QFN package a bit easier.

Getting Started with the MyoWare® 2.0 Muscle Sensor Ecosystem

The MyoWare® 2.0 Muscle Sensor, an Arduino-compatible, all-in-one electromyography (EMG) sensor from Advancer Technologies. In this tutorial, we will go over the features and related shields to connect the sensor to a muscle group.

SparkFun Temperature Sensor - STTS22H (Qwiic) Hookup Guide

Get started with the ultralow-power, high-accuracy, qwiic-enabled SparkFun Temperature Sensor - STTS22H!