How to Use Rain Sensor, and How it works |Complete Explanation in Urdu/Hindi|

How to Use Rain Sensor, and How it works |Complete Explanation in Urdu/Hindi|
Q:- How Does a Rain Sensor Work?
A rain sensor for your water sprinkler irrigation system is a great saver of time, money and embarrassment. Nothing looks more foolish, or is more wasteful, than timer-controlled sprinklers spraying away in a driving rainstorm. You will not always be at home to manually shut off the sprinklers every time it rains.
The most common modern rain sensors are based on the principle of total internal reflection: an infrared light is beamed at a 45-degree angle into the windshield from the interior - if the glass is wet, less light makes it back to the sensor, and the wipers turn on.
Rain sensors for irrigation systems are available in both wireless and hard-wired versions, most employing hygroscopic disks that swell in the presence of rain and shrink back down again as they dry out - an electrical switch is in turn depressed or released by the hygroscopic disk stack, and the rate of drying is typically adjusted by controlling the ventilation reaching the stack. However, some electrical type sensors are also marketed that use tipping bucket or conductance type probes to measure rainfall. Wireless and wired versions both use similar mechanisms to temporarily suspend watering by the irrigation controller - specifically they are connected to the irrigation controller's sensor terminals, or are installed in series with the solenoid valve common circuit such that they prevent the opening of any valves when rain has been sensed.
Some irrigation rain sensors also contain a freeze sensor to keep the system from operating in freezing temperatures, particularly where irrigation systems are still used over the winter.
In 1958, the Cadillac Motor Car Division of General Motors experimented with a water-sensitive switch that triggered various electric motors to close the convertible top and raise the open windows of a specially-built Eldorado Biarritz model, in case of rain. The first such device appears to have been used for that same purpose in a concept vehicle designated Le Sabre and built around 1950-51. For Model Year 1996, Cadillac once again equipped cars with an automatic rain sensor; this time to automatically trigger the windshield wipers and adjust their speed to conditions as necessary.[citation needed]
The most common modern rain sensors are based on the principle of total internal reflection: an infrared light is beamed at a 45-degree angle into the windshield from the interior - if the glass is wet, less light makes it back to the sensor, and the wipers turn on. Most vehicles with this feature have an "AUTO" position on the stalk.[citation needed]
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[@hi_vishy]

Very well explained.

[@mukeshmodak6840]

Jay Shree ram bohut Acha banaye hai

[@samacumen]

Thank you bhaijaan, greetings from Europe!

[@sadiarana155]

thanq so much

[@taehyungatejiminsjams7660]

Sir ham koi aisa rain sensor bana skte h kya ki jisse normal rain ni heavy rain detect ho????

[@Sonukumar-dc7rt]

Price of sensor

[@geetah.singhania2556]

sirf rain water ko detect karey ga.. ya koi b liquid drop karey toh sense karey ga?

[@muhammadusama4780]

Sar mujhay wo LED connectiin samaj nahi a rahi . Ap ny vedio mai wo skip keyeah hy . Kasay connect karay plz explain kar dy

[@malikjunaid1]

agar sensor plate pe sirf positive negative wires hain to phir IC ki kia zaroorat hay. simply jab pani ka qatra PCB pe girey aur dononwires short hoan to circuit complete ho jaey Aur led on ho jaey!!

[@RAJPUTGIRL0000]

Sir thoda circuit diagram nhi samaj aya

[@RAJPUTGIRL0000]

Emitter ka kya krege

[@BITTUKUMAR-vx7bz]

Baat ho skti ha ky aap se

[@AjitYadav-gp4li]

Bhai output nhi aaya barabar

[@auliai.l.7398]

Why bother putting the title in english if you're not gonna explain in english??

[@er.anantapokhrel8110]

Bhai mujhe ye chaiye....kitna mai sell.karogey bhai shaab???

[@usamasaleem8200]

thanks for wasting our time

[@sachinazad2419]

Project is not working 👎👎👎