This water-level indicator uses a 7-segment display, instead of LEDs, to indicate the water level (low, half and full) in the tank. Moreover, a buzzer is used to alert you of water overflowing from ...

An RV is somewhat self-sufficient. Your RV has an on-board fresh water supply, as well as holding tanks to capture the gray water from the sinks and black water from the toilet. It’s important for the ...

The circuit was intended for monitoring and measuring the fluid level or content in a storage tank or reservoir by providing visual display with an audible alarm that can be switched. Light Emitting ...