In this video I've created a device that can notify in real time about events that happen on a website. The project uses NodeMCU board and a buzzer to produce sound as alert. The board is programmed ...

✈ Learn to build airplanes like this with the basic online course. ★ To download the plans and see more videos, images and information about this project. (*Create an account to be able to see the ...

An optocoupler tester is a small device that helps verify whether an optocoupler is functioning properly or has failed. In labs and repair work, optocouplers often fail without clear signs. They may ...

Most people love arcade games, but putting a full-sized arcade cabinet in the living room can lead to certain unpleasant ...

Nick] came across an awesome Bluetooth speaker online, only, there was a problem. It didn’t really exist—it was just a render of a device that would be nice to have. Of course, there was an ...

There are different ESP32 Audio boards available that can be programmed with the Espressif ADF Framework. The ADF Framework contains an abstraction layer to support different codec audio chips (ES8388 ...

4. Within the Arduino IDE, select "Sketch" -> "Include Library" -> "Add .ZIP library", then select the downloaded zip file. This should add the library. To use the library, you'll have to include the ...

Ask the publishers to restore access to 500,000+ books. An icon used to represent a menu that can be toggled by interacting with this icon. A line drawing of the Internet Archive headquarters building ...