Nov 18, 2024 · In this article I have explained 5 simple automatic water level controller circuits which can be used for effectively controlling the water level of a water tank by switching the …

Jan 31, 2025 · Circuit. Fig. 3 shows the circuit diagram of the automatic water level indicator cum controller. It is built around an Arduino Uno board (MOD1), three LEDs, a 5V SPDT relay, and …

Jun 13, 2020 · If you don’t want to use transistors and prefer a simpler circuit with more LEDs, here’s a basic Water Level Indicator using a ULN2003 IC, 7 LEDs, 200Ω resistors, and a 9V …

On filling the vessel with water via a pump, each LED glows with respect to the terminal in contact with the water, which sends a control signal to the base of each BC337. The resultant collector …

Apr 23, 2025 · A simple electronic circuit that uses four LEDs as a water level indicator is used to monitor the water level in a tank or container. In simple terms, the circuit is made up of four …

Nov 17, 2024 · The six NOT gates in the IC 4049 are lined up with their inputs inside the tank to detect the water level. The negative end of the power source is at the bottom of the tank, so it …

Mar 21, 2023 · Look no further than building your own Arduino water level indicator with LEDs! With just a few basic components and some programming skills, you can create a working …

A Water Level Indicator is a simple circuit that detects water levels and alerts users using LEDs or a buzzer. It’s commonly used in homes, industries, and farms to save water.

Sep 30, 2012 · Today I am presenting a very useful, very cheap and very simple circuit using transistors for beginners in the field of electronics. This simple circuit can indicate the level of …

Jan 8, 2024 · In this post I have explained 2 interesting ways to make simple water level indicator circuits using transistors, CMOS NOT Gates and some LEDs, the later section of the articles …