The Water Level Indicator includes a simple mechanism which helps to detect and indicate the water level in an overhead tank or any other water container.The sensing is done by using a set of nine ...

This water-level indicator-cum-alarm circuit is configured around the well-known CMOS input-compatible, 7-channel IC ULN2004 Darlington array. As the water level rises in the tank, it comes in contact ...

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 ...