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Soil moisture sensor with Arduino ( Automatic watering plant)

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  Soil moisture sensor with Arduino( Automatic watering plant) Hello guys, Here we show you how to make "Water Irrigation System Using Arduino" . As we see during summer season, most of the peoples are too lazy to water potted plants every day and plant will eventually wither if people go out on vacation  or  If there is too much water or the soil is constantly wet, there is not enough air pockets. This results in a limited oxygen supply and plants are not able to breathe. So  Here is automatic plant watering system that can water plant in your absence using Arduino.  This project is about building up a Automatic plants water irrigation whenever the soil moisture sensor sense soil is under watered/over watered then pump start/stop automatically and watering to plant.                                                  Needed Components:- 1.)...
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Motion Detection Automatic Light.

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  PIR sensor and relay interfacing with ARDUINO  ( Automatic light by PIR sensor) PIR SENSOR(Motion Detector) :-__ Hey guys, Do you know how we  can  detect motion of human? yes, we can detect motion of human by PIR sensor. PIR sensor use for many more applications  such as automatic switching operation of outdoor lights, lift lobby, common staircases, automatic switching operation of garden lights based on the presence of a human being, for covered parking area, automatic door operating system in shopping malls, and so on What is PIR sensor? A  passive infrared sensor  ( PIR sensor ) is an electronic  sensor  that measures  infrared  (IR) light radiating from objects in its field of view. They are most often used in PIR-based  motion detectors . PIR sensors are commonly used in security alarms and automatic lighting applications . When the warm body leaves the sensing area, the reverse happens, whereby the sensor generates a n...
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ULTRASONIC SENSOR INTERFACING(Distance measuring Device using ultrasonic system)

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  Sound waves, which are all around us, are simply organized mechanical vibrations traveling through a medium, which may be a solid, a liquid, or a gas. This applies to both the everyday sounds that we hear and the ultrasound used for flaw detection. What is ULTRASONIC? Ultrasonic  vibrations of frequencies greater than the upper limit of the audible range for humans—that is, greater than about 20 kilohertz. The term  sonic  is applied to  ultrasound  waves of very high amplitudes Hey guys , some time we need to detect a measuring a object how much far from us as we have to detect enemy at Airforce RADAR or Marine RADAR and also used in industry to detect a defect in material etc. Principle of ultrasonic detector Ultrasonic sensors  emit short, high-frequency sound pulses at regular intervals . If they strike an object, then they are reflected back as echo signals to the sensor, which itself computes the distance to the target based on the time-span be...
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