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 ...

This simple water level indicator will activate an active buzzer (e.g. BeStar BPT-23CX ) in order to make a noise when a certain level of water is being reached. Because the water sensor and the ...

The worldwide shortage of clean drinking water is a serious problem, although in many cases there’s a relatively simple solution – just leave the tainted water outside in clear plastic bottles, and ...

The coffee maker which [Donald Papp] uses every morning has a water reservoir on the back that can last for several days. This means he forgets to check it and from time to time will return to find ...

Apple Watch hydration tracking app WaterMinder now arrived with a new 5.1 version. The latest update introduced some nice features for iOS users including a redesigned look and a water level indicator ...

Background: Indicator bacteria are a good predictor of illness at marine beaches that have point sources of pollution with human fecal content. Few studies have addressed the utility of indicator ...

Often, the only liquid level indicator you need is your eyes, such as when looking at your cold beverage on a summer’s day. Other times, though, it’s useful to have some kind of indicator light that ...