Simple Water Level Alarm Circuit using IC 555

In this article we talk about an easy water level alarm circuit using a 555 timer designed to generate an audible alarm as soon as the water level reaches a predetermined stage. The circuit could be powered through a 3V battery and is extremely hassle-free to work with. The circuit is dependent on an astable […]

Read More »

Water Level Controller using a Single SCR

The water level controller circuit explained here uses just a couple of parts including a single SCR for implementing the sensing as well as controlling water levels. The circuit can also be used as a rain alarm circuit. By using this circuit we can now perform the activation of a warning process each time the […]

Read More »

Automatic Plant Irrigation Circuit

The article describes a good automatic plant irrigation system circuit that are available for quickly sensing soil humidity and initiating a water pump when the ground gets burning below a fixed level (adjustable). The circuit is quite simple and makes use of just one IC 555 as the main active component. Looking at the automatic […]

Read More »

Simplest Water Level Controller Circuit with Buzzer

This simple and inexpensive circuit sounds an alarm Ca whistle) when water level in a Container, such as an over- head water-tank, reaches a predetermined level. The basic circuit is an audio oscillator with positive feed- back. The output from Tl transistor is fed back to the base of T2 transistor via the mass of […]

Read More »