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Fully Automatic Water Level Controller Circuit With Motor Dry Run Protection Without Using Microcontroller

Author: Manikandan KJ © KJMIndia Automatic water level controllers regulate the water supply for a given reservoir/tank to maintain a minimum water level. This water level controller circuit uses a float switch to control the water level of the storage tank. It is an automatic system, so it will start to fill up when the height of the water goes below a certain point. If it reaches full capacity, the float switch will automatically turn off. This protects against overfilling and spilling of water. The water level controller manages the level of water in a tank. It automatically detects the tank's water level and turns the pump on or off to maintain it at the desired level. The float switch helps detect different levels of water by using a magnetic switch module that floats on top of the water. FEATURES OF THIS CIRCUIT: ( Click here to buy the ready-made kit) Low-cost circuit made out of readily available components. Low power consumption. Turns on the pump when ...

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Overvoltage and undervoltage protection circuit diagram | High and low voltage protection circuit diagram Using LM358

clear: both; text-align: center;"> Voltage fluctuations and power cuts adversely affect various electrical appliances such as Tv, music system, refrigerator, etc. Here is a simple and inexpensive circuit using opamp Lm358 to disconnect the equipment during high and low voltage. We can also use LM324 to design this circuit by using only the two op amps out of the four. We can also design a high low voltage cut out using 741 op amp. In this case, we have to use two 741 ics. You will need: Transformer: 0-18v or 9-0-9v, 300mA or above Resistors : R1 – 10K, 1/4W R2 – 50K (preset) R3 – 50K (preset) R4 – 33K, 1/4W R5,R6 – 4.7K, 1/4W R7 – 100K, 1/4W R8 – 2.2K, 1/4W R9 – 100K, 1/4W Diode: D1 – 6.2V, 1/2W Zener D2,D3 – IN4148 D4 – IN4007 DB1 – Bridge Rectifier – DB107 Capacitor: C1 – 470uF, 40V C2 – 0.1uF, Ceramic Led (5mm or 3mm) L1 – Green L2 – Yellow L3 – Red Q1 – s8050 Transistor RY1 – 12V Relay Ic U1 – 7812 U2 – LM358 High and ...

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Semi-Automatic Water Level Controller Circuit Project Using 555 Timer With Indicator

A semi-automatic water level controller circuit utilizing the versatile 555 timer IC presents an innovative solution for efficient water management. This unique circuit ensures precise control over water levels by employing a combination of sensors and the reliable 555 timer IC. By integrating these elements, this semi-automatic water level controller offers a hassle-free approach to maintaining optimal water levels in various applications. With its cutting-edge technology, this circuit promises to revolutionize water management, providing convenience while conserving this precious resource. A semi-automatic water level controller circuit is used for automatically controlling the level of water in a tank and avoid overflowing. This circuit is made up of a sensor, timer chip, relay, pump driver and power supply. The sensor senses the water level in the tank and converts it to voltage. The timer chip takes care of sensing voltage from sensor and turns ON/OFF pump driver accordin...

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Simple Electronic Circuits

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