This is an incredibly low-cost and visually fascinating toy through which we can learn a lot about the behavior and physics of standing waves.

Arduino Command Line Tutorial

A sensitive metal detector which is a great example of cooperation between a microcontroller and an Android smartphone.

Simple to build ESP32 VU meter on Round Dispalys with Peak Meters.

This tutorial will guide you through using the SparkFun MOSFET Power Switch and Buck Regulator (Low-Side) with your Arduino projects.

A simple type of balancing robot that only requires a few components to build.

In this tutorial, We’ll show you how fast and simple it is to start displaying information on the SparkFun Alphanumeric Display, starting with the most basic, then looking at some more advanced examples.

How to make a fluid motion simulator using a few components.

Tesla Coil design made with only one Vacuum Tube and a few passive elements powered by MOT Transformer.

A simple getting started project demonstrating one-way RF communication between two nodes using the NRF-Shield.

A visually and functionally effective beginner project that only required three components to build.

This new Adafruit shield makes it easy to use a 16x2 Character LCD.