s-level WiFi

 A level measuring device for fluid tanks by measuring the pressure of the liquid in a tube coming out of the tank based on the calibration of the device once upon installation, without the need to install any piece at the tank, and it does not require a difficult calibration by measuring the height of the pipes between the tank and the measuring device by traditional methods, which makes This device is simple and robust as calibration is done by smartphone. Calibration is done by telling the device the height of the current fluid inside the tank and the height of the liquid when it is full. The s-level Wifi can be connected to a wifi network and The level can be read on a smartphone from any place in the world or an array of LED lights on the device. Power to this device is also provided through a USB cable from any USB compatible power source. The device can also indicate the operation of a pump at a certain level specified by the user with the help of an add-on device.