[Jan] noticed the same thing and set out to build a shield that allowed an Arduino to communicate using LoRa. You can find the design data on GitHub. [Jan] calls it the LoRenz shield. According ...

In the video after the break, [Eduardo] demonstrates his extremely simple setup for using ultrasonic transducers for one-way data communication ... for all sorts of projects.

With me so far? Here is a list of projects that you can do with an Arduino that are fun, relatively easy, and incredibly ...