DO NOT THROW AWAY YOUR OLD PHONE / DIY Home Security Alarm System

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by Mr.DK DIY
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All of my DIY videos I have done for experiment and my challenge, if you make these videos at home and something happens to you I will not be responsible for anything !!!

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[marakeshg]

At first, I didn't know where you were going with this,
then it started making sense. This was a pretty slick idea.
Thank you.

[gsphone]

Good use of the old cell phone and microwave parts.
Was hoping you were going to use the microwave guide to fry trespassers (LOL).
Oh, I wouldn't have mounted the unit on the top corner, personally. I would have mounted it on the hinge side of the door.

[RickaramaTrama-lcys]

It is incredible what you can do in a few minutes that would take the average person all day and then some to do even if they could think it up. You are a show within yourself and your inventions~!! Most enjoyable to watch and thanks for the free shows~!! Much luck to you.

[tamirerez]

I dont know why, but it is very relaxing watching this video.
Thank you for nice idea and good video.

[rosskelly]

2G phones are not supported any more in many countries. But very well done and interesting. Thanks for the vid!

[mobinnaybin]

i was thinking to make an alarm with phone this was really cool thank you

[myutube]

You need some way to close the door without having to hold the switch out of the way. Not a big problem BUT needs to be addressed. It's the idea that counts, thanks.

[yusufgaridi]

Excellent Idea Bro. There is just one little mistake on the schematic (you must connect the end of the wire to the N.O. contact)

[meredithbenjamin]

Very clever indeed. I don't know a thing you did. Sorry I'm not electronically inclined. 😰😀👍

[trainer]

I have a few old phones. Don’t know why I saved them. But know I feel comfortable throwing them away. Thank you!

[stefanaddwork]

ive once about 10 years ago have build such alarm system...! Because that place had no direct power line! Using the direct call last number option under one button. You need to look for phone that can call after pressing two times the call button. Also it must be able to maintain that action while keeping pressing that same button. So far i remember the old nokia serie's are best. When you solder two small wire's to the copper button connection you then can use it connecting it to a relay switch so it starts dailing. The most easy sollution is to go with the most simpel cirquit using a 12 volt relais and 1000uf condensator. Connecting it like the car flashlight indicator circuit. So now if you connect your phone on the switching contact it should start dailing soon as you power the relais to start switching. When you place in you door post a magnetic switch and a small magnet. When its all connected then the relais should start switching when opening the door. The only thing then is the fact you must make a bridge connection so that as soon that the door opens then contact is staying on when you close the door. Otherwise you might risk that it didnt start to call its not always directly responding and might sometimes need 3 of 5 to make the connection the slowest switch seems to work best to fast an it wont react...

[areuserius]

Use a ref light switch...use prepaid cards...good if your going out of town for days...turn on when ur leaving...batteries of this fon last 7 days if left just there...sometimes longer...

[Alatinu]

! Excellent you are a genious . Thankyou Vm !.
¿ Something abut lens for video cam from Nokia how to ?.
¡ Health for you and yours !

[mariamorales]

Sometimes I need help because I live alone and I don't want nobody to hurt me and I will love this and that can help anybody else if they can help me they can help anybody else

[marvsd.i.y.]

Good jod.. But jumper wire is not needed in that case.. U should clean only the power button..

[adinahirschmann]

Step-by-step subtitles or voice narrations with explanations would have been helpful. I kept wondering what those modules were, what their function was and why they needed to be disassembled.

[youtuup]

I don't want to use a phone card just for this. Can you make this also with wifi?

[hallko]

Those phones was a legends once they was wanted 😔 at least they’r still usefull

[ravinderkumarkhosla]

It would be better if along with the demonstration of DIY there is narration of what is being done. It will lead to better comprehension thus fulfill the objective of yours.

[speedyable]

Odakle si prijatelju dobra ti je ideja poz