![]() ![]() ![]() The animations were created in Blender, the popular 3D animation software. ![]() has been working on some glorious animated simulations, however, which show us various phenomena in a far more intuitive way. When it comes to visualization though, most of us have had to make do with our lecturer’s very finest blackboard scribbles, or some diagrams in a textbook. There’s tons of theory out there to explain the behavior of electronic circuits and electromagnetic waves. Posted in Arduino Hacks, internet hacks Tagged 3d print, arduino, Arduino Nano 33 BLE, indicator, IoT We’ve featured internet connectivity status indicators in the form of traffic lights here before, as well as various network status monitors and videoconferencing indicator lights. ![]() The source is available on GitHub for those wanting to take a look. mounts the LEDs into the skull to create a “brain in a jar” effect. The cat skull is thankfully a replica, 3D printed by one of ’s Twitter acquaintances, and the whole project was housed in a domed security camera enclosure. The Nano attempts to connect to a known site (in this case, the Google landing page) every two seconds and sets the LEDs to green if it succeeds or red if it fails. The electronics are straightforward, with the complete parts list consisting of an Arduino Nano 33 IoT device connected to a pair of RGB LEDs and 50 Ohm resistors. Instead of repeatedly refreshing a browser tab to test if the network is up, decided to create an internet status monitor by embedding indicator lights in a cat skull…for some reason. Has an internet provider that provides sub-par connectivity. ![]()
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