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.

Raspberry gPIo

How to use either Python or C++ to drive the I/O lines on a Raspberry Pi.

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.

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).

Getting Started with Load Cells

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

Qwiic VR IMU (BNO080) Hookup Guide

Figure out how things are oriented with the robust 9 degrees of freedom (DOF) BNO080 IMU. Maybe even make your own virtual reality (VR) applications if you're feeling savvy.

SparkFun gator:microphone Hookup Guide

The gator:microphone is an I2C sensor for detecting sound with an electret microphone. This tutorial will get you started using the gator:microphone with the micro:bit platform.

Measuring Height with Atmospheric Pressure

Measure height using atmospheric pressure with your Qwiic MicroPressure breakout board!