A tube is fixed in the fountain with its end below the lowest expected water level. A pump blows air into the tube until it bubbles out of the lower end. Then, the air pressure in the tube will be ...

Pull requests help you collaborate on code with other people. As pull requests are created, they’ll appear here in a searchable and filterable list. To get started, you should create a pull request.

ESP32 is a tiny cheap 8$ module with a dual core 32-bit CPU and built in Wi-Fi and dual-mode Bluetooth with sufficient amount of 30 I/O pins for all basic electronics projects. All these features are ...