itroduction,principle,construction,working,coclusion,applications

project file on rain alarm with its introducton,theory,construction,working

Rain sensor diagram that will really work as you want, what you want to do. It is a device that will generate an alarm when the rain comes. frequency will be more when the rain is heavier and much less when the rain would be low. This means that all frequencies will depend on rain. We must always focus on creating the signal. Don't focus on the rest of the, we should do it. When we get a signal now, we can do whatever you want to do.
We'll do one circuit wires so that the chain easily and every reader can read it. Double wire still complicated and the schema that is produced must be the IP, so I prefer today to show you, with a single cable and complex schema, you can refer to the article how to make a rain gauge from IP.

1-th experiment:

How do you know that not one machine is made with all the objects in the first attempt, so here it goes.
This is the simplest circuit that you have ever seen. In practical schools, the 5th or 6th grade. It's very easy to do and requires very few cheap thing.
Purpose: To rain sensor.
MATERIALS:

LED, connecting cables, battery and switch, as in the zigzag calculator.
Procedure:
1. connect everything as you can. I hope you can glow with connecting cable. And you will not see in a jar for help you can see this picture.

LED circuit

2. prepare a rain detector probe. To do this, just connect the wire to the two ends of the switch.

Rain detector Schematic

3. connect the lead of such length that the detector reaches your roof.
4. cut the wire of the led chain from anywhere in the world.

LED Circuit Hacking

5. connect the detector to the terminals of the led chain.

LED circuit


6. now, when it rains or the detector pad becomes wet from any source, the scheme will glow
We have a scheme that will work in accordance with the rain. But there are many disadvantages to this scheme.
ADVANTAGES:

1. it is very cheap.
2. battery very much.
3. Not risky.
4. no harmful effect.
5. the scheme may be all.

DISADVANTAGES:

1. He's not talking about speed in the rain that falls on the roof.
2. it will send a signal, or indicator light will remain on until the detector does not become wet.
3. is this something will end, that the detector will not work until it gets wet.
4. There are so many problems that you will face when you will do this pattern.