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Today you will learn how to make a homemade gsm alarm from cell phone. Such a security system can guard your dacha, garage or car.

This article has been planned for a long time, it is a “mobile GSM add-on” to . After reading the article to the end, you will learn how to make a cellular alarm out of any existing alarm system, but more on that a little later..

This add-on implements the notification function on a cell phone and allows the owner to control the situation about the “integrity” of the protected object anywhere in the world using mobile communications. Such an alarm system is the cheapest option and requires only an investment in an old cell phone, a battery + some parts, solder and free time.

Materials and tools required for the manufacture of GSM alarms:

• cell phone Nokia phone 1100 (or any other mobile phone with a shortcut function that !Attention! implemented by pressing the button once and holding it in this position).
• headset (headphone with microphone) used for audio monitoring of the room
• soldering iron
• solder
• the wire
• reed switch (or push-button door open sensor)
• 12 Volt acid-gel battery (the larger the capacity, the longer the “autonomy” in case of a 220V network outage)
• Charger for battery

The principle of operation of a homemade mobile alarm system based on a cellular phone

Ways to connect a cell phone to an alarm system:

The methods described above to establish interaction between a security alarm and a cell phone are valid for any alarm system. Thus, you can “attach” a GSM notification to any existing alarm system (for example, to a standard car alarm). Only one thing is required from it: close the relay contacts, or supply 12 Volts during “triggering” (for example, you can take 12 Volts from the terminals of a car siren, only then you will need to set up the “quiet mode” so that when arming or disarming the alarm the alarm will not “ quack" based on what option you have, choose the appropriate scheme.

How to organize uninterrupted power supply for GSM alarm systems.

We have figured out how the alarm system interacts with a mobile phone, there is one more question left to solve - to ensure the phone is powered uninterruptedly 24*7. There are several options available:

In the future, I plan to write a number of articles on the topic of security systems: how to make a security system from a video recorder with internet alert and an article about the types of sensors for which will help make the protection of your apartments, garages, and cottages more complete and reliable.

I wish you success in creating an alarm system, as well as the safety of your property!

In the age of technological development, we often change gadgets - laptops, computers, TVs, tablets and phones are used until a more advanced model comes out, and the previous ones simply become outdated. Surely many people at home have more than one mobile phone that they used before, but have now stopped using - is it broken or has it been replaced? new version, doesn't matter. The fact remains that the phone is lying idle. It’s a shame to throw it away, but it’s also unclear what to do with it. In this case, you should seek advice from the article and find out how to adapt old phone without leaving it to gather dust on the shelf.

This is perhaps one of the most difficult options for how to adapt an old phone. Let's write it down step by step:

1. disassemble the phone;
2. take out electronic circuit, solder a couple of wires to it;
3. reassemble, letting the wires out;
4. Insert the battery into place and close the lid. The wires are still outside;
5. cut out a wooden base;
6. screw the latch to the base with screws;
7. use staples to secure the latch in a limited position;
8. The phone, battery, and engine are attached to the base using mounting tape. direct current and a transistor;
9. the wires are connected to each other, the transistor must be connected to the phone, the engine and the battery in series;
10. the connected wires are soldered and secured with a rubber band;
11. the latch and the engine are connected by a rope.

Now, when a call is made, the lock will open using a motor driven by current.

In order to turn your old phone into a device that can see in the dark, you need to completely disassemble it and get to the camera. You need to remove the infrared lens from it, which will not be useful in the future. You can do this with a regular needle. The phone and camera are put back together.

In order for the camera to capture images in the dark, it needs infrared light. The easiest way is this:

• buy a pair of infrared diodes and a resistor;
• connect them in series;
• supply power from 9–12V.

After these manipulations, you can use your phone to record video in the absence of light.

A case for the future device is assembled from plywood or thin wood and blocks, sized to fit a telephone. Next, you need to make a trigger that will be triggered when the doors are opened by holding down the speed dial key.

Important! The telephone used to create a remote alarm must be push-button - this is the main condition.

We make the trigger mechanism. We drill a hole in the bolt and assemble a structure from a metal plate with a round hole for the bolt, where we insert it, then put on the spring and nut. We take an office scraper, straighten the edge with pliers and hook it on top, where the bolt head is located. The mechanism is attached to the phone in a mount, and then this entire structure is attached to the doors. Your number is put on speed dial, and when the doors open, your mobile phone will receive a call from the alarm.

It is very easy to assemble a microscope from your phone. It is enough to find a suitable round lens - for example, take it out of a regular laser pointer. The round lens fits onto your phone's camera. You can secure it with a rubber band by wrapping the rubber band around the gadget and pinching the lens. Now, when you open the camera on your phone, you can view objects with high magnification.

To shoot underwater with your phone, you need to protect it from moisture. To do this, you should purchase a special transparent snap-on zip bag or gripper, cut it to the clasp, place your mobile phone inside and close it. For reliability, you can seal the top of the bag with tape. And - ready! Feel free to plunge your own underwater camera into bodies of water... or aquariums.

To implement this idea, we need a base in the shape of a truncated pyramid made of plastic. You can make one using old CD packaging, for example, or print it on a 3D printer.

Important! The part must be transparent, otherwise the image will not be visible through it.

You need to install a special application on your phone, which can be found in the AppStore or PlayMarket. Our part is placed on top of the designated place on the screen, the application is launched, and a hologram appears!

It's easy to turn your old phone into a navigator. Just delete everything unnecessary applications, remove the SIM card and install offline navigation. Nowadays you can find many programs that allow you to use navigation without an Internet connection. However, you can also use online programs, but they will incur additional charges.

Advice! To prevent your improvised navigator from sitting down quickly, you can connect it to a portable charger.

Using programs from the app store, you can create an entire video surveillance system. Download to the smartphone that will be used instead of the camera simulation application CCTV cameras, which one is suitable for your phone. To continue monitoring the camera from another device, you need to download another application to your current mobile phone. Convenient and does not take up much space - Ivideon. Now you can install a homemade camera anywhere in the world and watch it from anywhere.

In order to connect to the signal, the phone needs an antenna. You can buy it at any home improvement store and connect it using the headphone hole. Next, a special application is downloaded to search for signals and channels from the phone, and all that’s left to do is set up the signal and enjoy watching.

You can install a small fan in the charger connector, which will run on the phone battery and spin while it is charged. It is assembled according to a scheme from scrap materials, which requires a lot of time, or it is bought in online stores.

To create a flashlight we will need:

• old battery;
• soldering iron;
• diodes;
• hot melt adhesive;
• a little time and patience.

In fact, everything is not difficult. We need to connect the diodes to the battery and some button so that when the button is pressed, our “flashlight” lights up.

The implementation of this idea is much more complicated than many previous ones, it requires programming and welding skills and will help brighten up your free time in an interesting way.

To assemble a watch with a temperature and humidity sensor, you will need to purchase the following parts:

• Arduino board 3.3V;
• temperature sensor;
• real time clock.

The process itself requires accuracy. To begin with, you should remove the display from the phone - the remaining parts will not be needed, and then solder the board to it. Next, a clock with its own board and a temperature and humidity sensor are connected. A transistor can be placed nearby to change the backlight on the screen.

For everything to work, you need to write the program correctly. When it is ready, you can start the clock. You can change the font and number designs yourself - it all depends on how you write the program. The watch is put back into the case and then decorated to your taste.

An old mobile phone with a SIM card is used. It is disassembled, and wires are soldered to the power supply, to the board, and relays are connected. For each battery, you should select the connection methods yourself. Further, when the system is assembled, the principle of operation is very simple: you call the phone and reset, after which the ignition is triggered. This convenient way remote control.

Important! Don't forget to protect the SIM card from third-party calls so that the car doesn't start accidentally. The power circuits of the electromagnetic relay windings should be connected to battery through fusible links to avoid fire when shorted.

MP3 player

It's very easy to make a player out of an old phone - just take out the SIM card and work a little with the applications. You need to remove everything unnecessary and download player program– similar ones are on players. The charge will last for a long time due to the fact that only this application will work on the mobile phone. You can also dig deeper and reflash your gadget like a player.

Game console

To play something on your phone, you don’t need a lot of ingenuity - just download and enjoy. But what about avid gamers who want to play games from other platforms on their gadgets? Emulators solve the problem. Downloading an emulator of any platform - be it the same old Dandy or Sega straight from childhood, and then downloading games into it through sites that do this, or through the applications themselves - is also not particularly difficult. If you really want to be closer to the consoles, you can purchase a game controller for your phone, which is connected via the charger connector.

Other options

If you are not impressed with the above ideas for selling your old phone, we suggest the following:

• portable battery charger;
• walkie-talkies (you will need two phones and extensive experience in welding);
• "Tablet" for drawing with a stylus;
• toy for a child;
• disco lighting (based on the principle of a 3D hologram).

And much more that you can imagine. Don’t rush to throw away your old equipment and write it off – it can still be useful in many ways and serve you well.

Just recently, some 5-6 years ago, a smart phone was available only to a small number of technically advanced and, importantly, wealthy users. Then the prices of smartphones began to decline rapidly, and the capabilities began to increase, so that today they can be seen in the hands of both pioneers and pensioners. And many of us have managed to change several models during this time, so the issue of recycling old devices is becoming more and more pressing. Previously, it was easy to sell a used model or give it away to relatives in need. Today, more and more often, fully working devices find their final refuge somewhere in the far corner of a desk drawer.

In this article you will find some tips on how to give these devices a second life and put them to good use. So, let's take out our favorites, blow off the dust and go back to battle!

Room alarm clock

Are people still buying alarm clocks? Yes!

And some of them - with flexible settings, weather forecasting functions, task scheduling and so on - cost a fair amount of money. However, any smartphone can handle this without any effort. And if you install one of the programs described in your device, then none regular alarm clock can't compare with yours. Or maybe you don’t need additional functionality, but just need unearthly beauty? Then Timely is your choice.

MP3 player

If you are a serious music lover and spend most of your day wearing headphones, then, undoubtedly, you should have already thought about purchasing a special device for this. After all, if you use your main phone, then by the evening you can be left without communication.

Therefore, take out your old smartphone, install a larger memory card there and use it as a specialized music player. Software There are plenty of options for this, for example, try the programs from this one. And if you are a fan of online radio, then you definitely won’t find anything better.

Tracking station

The need to monitor what is happening in the house in your absence may arise for several reasons. Perhaps you're wary of thieves, or maybe you want to know what your cat does when he's sure no one is watching. Well, let’s not forget about small children, for whom a whole class of special devices called “baby monitors” were invented. In the latter case, pay attention to the Dormi application.

In addition, you can use your old smartphone or tablet not only to capture and transmit images, but also as a receiving device. IP Cam Viewer Lite will help you collect information from several web cameras located around the house or in different rooms.

Experimental gadget

operating room Android system offers endless possibilities for customization. Moreover, you can go as deep into the system as your knowledge and courage allow. Moreover, you can even change Android to something more original, for example or . The only problem is that not all experiences can be equally safe for your device. If you don't want to take risks or want to maintain the warranty of your new device, then your old Android will serve as a great testing ground.

cookbook

What should a smart gadget do in the kitchen?

Of course, help cook! In the app store you will find more than one or two collections of culinary recipes. There are some that present dishes of a certain cuisine, some with a selection of recipes by product, some with pictures and videos. In general, for every taste in the literal sense of the word.

And if you go to YouTube, you will find many step by step instructions, clearly demonstrating the preparation of dishes. You will find the best of them in, and even better, subscribe to our channel- so you definitely won’t miss anything interesting. Here, for example, from the last one.

So feel free to place your old smartphone or tablet in the kitchen if you want to eat tasty and healthy. Moreover, it is better to keep your new expensive gadget away from boiling oil and greasy hands.

Digital frame

Yes, I agree with you that paying money for digital frames is one of the signs of insanity. But why not use an old gadget for this, which is still lying around idle. Let it stand on the nightstand and please the eye with your photographs or works the best professionals. For such applications there are many special programs, at least the one we described or, for example, Photo Slides.

Game console

Most likely, your old Android will no longer be able to handle modern games with cool graphics. But it can be used to emulate old gaming devices and launching classic games. Many of them, as we know, can give odds to modern blockbusters. Preparing your device for such an application is not at all difficult, especially if you use.

Car gadget

Your Android can be just as useful in a car. A device specifically dedicated for travel will allow you to avoid wasting the charge of your main phone and not having to worry about mounting it in the car every time. Such an Android car can serve as a DVR or even, when connected to an audio system, as a media center. This use of smartphones can even bring certain bonuses in the form of new interesting features, not typical for conventional devices. For example, the Sygic program can display your route directly on the windshield without interfering with your view of the road.

Of course, these are not all the ways to use outdated smart gadgets. You can use them to control a quadcopter and other technological toys, as a media server, to control and manage home automation systems - the list goes on. In a word, a real geek will definitely come up with a worthy use for his favorite gadget. And be sure to share your experience with us!

Mobile phones in our world have long become not just a means of communication, but an image accessory with a wide range of other interesting functions. Every year the choice of mobile phones becomes more and more, their capabilities are improved, and new models are produced. People change them, trying to keep up with innovations. And old mobile phones lie idle at home. In order not to throw them away, let's see what can be done from an old mobile phone.

Using an old mobile phone: ideas

First of all, don’t rush to turn your old mobile phone into something unique and interesting. You may be able to sell it quite profitably. By going to a store that sells used phones, you won’t earn as much money as if you sold it through advertisements. The fact is that the store itself sets the price of your old mobile phone, and gives you only a small part after the sale.

But if your old mobile is very dear to you or it doesn’t make sense to sell it, then look at what you can make from an old mobile...

• Give a mobile phone to your grandmother. Learning to use it will not be difficult if it is old and not equipped with a huge number of functions.
• Use your mobile phone for your second SIM card.
• Make a puzzle. Take your old cell phone apart and try to put it back together when you get bored.
• Start collecting a collection of old mobile phones; in a couple of decades they will become a rarity.
• If the phone is not dear to you, and there is no point in selling it for pennies, then just arrange a competition with your friends to see who can throw it the furthest. Somewhere a similar competition was held on a large scale.
• Make yourself a massager. Turn on vibration mode and go!
• Someone is making bugs out of mobile phones.
• Leaving the cell phone cover, make a cigarette case.

I would also like to tell you about unique things that were made from old mobile phone. Perhaps someone would like to repeat this invention.

One chemistry professor to get students to educational process, made a spectrometer out of an old mobile phone. Using it, you can analyze the spectrum and determine the properties of an object. If we talk about the everyday use of a spectrometer, then it can be used to measure the amount of protein in grain in meat or iron in the blood, for example. Anyone can make the device, since the professor does not keep the method a secret.

Parents with a rich imagination make toy cars for their children from old mobile phones. The display with buttons faces the floor, wheels are attached to it, and the top of the machine is constructed from scrap materials. And modern children are so advanced that an old mobile phone can be given to them for use (as part of a game, of course, if the child is small).

Today I will show you a cool idea on how to make an alarm out of an old push-button telephone! #idea#how to do#phone#alarm 00:26 Setting up the phone 00:42 To make an alarm you need 01:00 Disassembling the phone 02:27 Checking the alarm 02:43 Installing the alarm Dear friends! I think each of you has asked questions about how to earn more on your YouTube channel. If you want to earn good money from your videos, connect to affiliate program AIR! Here's the link: https://goo.gl/Mirj0k http://ali.pub/7w0nx http://ali.pub/l9y0b Magnets: http://ali.pub/oq1u9 Soldering irons: http://ali.pub/bt9hp Group: http://vk.com/experimentshow Author VKontakte: http://vk.com/elvind My Google+: ... My Instagram: ... Aliexpress: https://ali.epn.bz/?id=c0b68- a convenient way to monetize traffic for website owners and communities in in social networks. Earn money online by recommending quality products to your users from one of the best trading platforms in the world! Dear friends! I think each of you has asked questions about how to earn more money from your YouTube channel. If you want to earn good money from your videos, join the AIR affiliate program! Here's the link: https://goo.gl/Mirj0k. If anything is not clear to you, contact me, I will be happy to help. Reed switches: http://ali.pub/7w0nx The cheapest push-button phones: http://ali.pub/l9y0b Magnets: http://ali.pub/oq1u9 Soldering irons: http://ali.pub/bt9hp Group: http://vk.com/experimentshow Author VKontakte: http://vk.com/elvind My Google+: https://plus.google.com/u/0/+PASLKARU... My Instagram: https://www.instagram.com/elvindzhebr...Aliexpress: https://ali.epn.bz/?id=c0b68- a convenient way to monetize traffic for website owners and communities on social networks. Earn money online by recommending quality products to your users from one of the best trading platforms in the world! To shoot this video we used: Sony camera, Samson C01UPRo microphone, ipnone7 phone, Sony Vegas13 video editor. Text: Today I will show you how to make a home alarm from an old telephone! With the help of our alarm system, you will immediately know that someone is in your home without your knowledge. A simple security system will inform you by calling your mobile phone. By answering the call you can even hear what is happening in the room. In most push-button phones When pressing button one for a long time, the number is dialed voicemail. First you need to set up your phone, go to settings and change the number. In order to make our alarm you will need an old telephone, a reed switch, some wires and a magnet. A normally closed or switching reed switch is suitable for signaling; it is quite difficult to find such a reed switch in the city, so under the video there is a link where you can buy such a reed switch. First you need to disassemble the phone and solder two wires, one to the button contact, after which you need to solder a reed switch to the other end of the wire. Then put the phone back together, and our alarm is almost ready. This alarm can be installed in a closet on a door anywhere. Now I installed our system on the door, so that the magnet is on the door, and the reed switch on the door opening, the distance between them should be as small as possible. If someone opens the door, then the reed switch will close and dial the mobile phone. Let's say, if this video gets 300 likes, then I will completely redo it and make it so that the charge lasts for at least 3 months. If you liked this video, then share this video with your friends so that everyone can see this video! Tags: UNUSUAL IDEA, alarm, do it yourself, how to make, iphone7. Music: Tobu - Hope