Please comment on my project, GSM security system using SMS - Electronic Circuits Projects Diagrams Free

umar_arshad · 16th October 2009, 07:35 PM

Hello guys,
I've built this GSM security system as my semester project using T290i mobile and controlled my car using it. Please leave your comments about it.
If any one needs help in implementing such a system, I can help.

Some of the functions it can perform are:
* start and stop the engine (without using the key)
* stop the engine if somebody starts it with a key ( by cutting off ignition)
* lock and unlock the doors
* send a text message to the owner if an intruder is detected (by monitoring the doors)
* switch the heater/air conditioner on and off

You can see the complete details, pictures and download project files and source code from my website.
GSM Vehicle Control and Security System using SMS | All Things Tech

BrownOut · 17th October 2009, 03:51 PM

I don't understand... do you control the vairous systems in your car by sending a text message to the phone within the car? That's a very impressive reuse of technology. Hope you got an "A"

Sceadwian · 17th October 2009, 04:02 PM

Extremely well thought out project, nice job. Although it might not be the safest idea, being able to send an SMD message to the phone that can completely disable the ignition would be nice.

There's a commercial system here in the US called Onstar that uses cell phone service to connect to a help center which monitors the car in case of an accident or emergency, if you have the proper authorization codes you can even have them unlock the doors for your with a phone call if you lock your keys in, things like that. A new feature on some vehicles for anti theft is Onstar can even disable the car if it's been stolen, even if it's being driven.

umar_arshad · 17th October 2009, 06:03 PM

Quote:

Originally Posted by BrownOut

I don't understand... do you control the vairous systems in your car by sending a text message to the phone within the car? That's a very impressive reuse of technology. Hope you got an "A"

Yes the SMS was sent to a mobile phone inside the car. It could have been a GSM module but mobile phone was much cheaper, actually it cost me only about $12 with the battery, charger, and serial cable. GSM module would have been at least $30-40.

And yes I did get an "A".

umar_arshad · 17th October 2009, 06:40 PM

Quote:

Originally Posted by Sceadwian

Extremely well thought out project, nice job. Although it might not be the safest idea, being able to send an SMD message to the phone that can completely disable the ignition would be nice.

There's a commercial system here in the US called Onstar that uses cell phone service to connect to a help center which monitors the car in case of an accident or emergency, if you have the proper authorization codes you can even have them unlock the doors for your with a phone call if you lock your keys in, things like that. A new feature on some vehicles for anti theft is Onstar can even disable the car if it's been stolen, even if it's being driven.

Yes it does not seem to be the safest idea. But the SMS is interpreted by the software in such a calibrated fashion before the final function is performed that unexpected behavior is not seen at all. Even if there is a small error in the SMS command, the function is never performed.

Thank you for the appreciation.

rajbex · 18th October 2009, 02:37 AM

Good Job, buddy!

- Raj
Experiments with PIC16F628A

birdman0_o · 18th October 2009, 03:15 AM

Awesome! What do you do if your cellphone battery dies :O

umar_arshad · 18th October 2009, 08:36 AM

Quote:

Originally Posted by birdman0_o

Awesome! What do you do if your cellphone battery dies :O

Thank you. I tried running the phone with a 3.3V voltage regulator and it worked without the battery. The complete setup was running on a 12V battery(not visible in pics).

birdman0_o · 18th October 2009, 07:34 PM

How did it work without the battery?

BrownOut · 18th October 2009, 07:46 PM

with a 3.3V voltage regulator... running on a 12V battery(not visible in pics).

umar_arshad · 31st October 2009, 11:04 AM

Thank you all guys.

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16th October 2009, 07:35 PM	#1
umar_arshad	Please comment on my project, GSM security system using SMS Hello guys, I've built this GSM security system as my semester project using T290i mobile and controlled my car using it. Please leave your comments about it. If any one needs help in implementing such a system, I can help. Some of the functions it can perform are: * start and stop the engine (without using the key) * stop the engine if somebody starts it with a key ( by cutting off ignition) * lock and unlock the doors * send a text message to the owner if an intruder is detected (by monitoring the doors) * switch the heater/air conditioner on and off You can see the complete details, pictures and download project files and source code from my website. GSM Vehicle Control and Security System using SMS \| All Things Tech

17th October 2009, 03:51 PM	#2
BrownOut	I don't understand... do you control the vairous systems in your car by sending a text message to the phone within the car? That's a very impressive reuse of technology. Hope you got an "A" __________________ You don't need a quadraphonic Blaupunkt -- you need a curve ball.

17th October 2009, 04:02 PM	#3
Sceadwian	Extremely well thought out project, nice job. Although it might not be the safest idea, being able to send an SMD message to the phone that can completely disable the ignition would be nice. There's a commercial system here in the US called Onstar that uses cell phone service to connect to a help center which monitors the car in case of an accident or emergency, if you have the proper authorization codes you can even have them unlock the doors for your with a phone call if you lock your keys in, things like that. A new feature on some vehicles for anti theft is Onstar can even disable the car if it's been stolen, even if it's being driven. __________________ "Because I be what I be. I would tell you what you want to know if I could, mum, but I be a cat, and no cat anywhere ever gave anyone a straight answer, har har."

18th October 2009, 02:37 AM	#6
rajbex	Good Job, buddy! - Raj Experiments with PIC16F628A

18th October 2009, 03:15 AM	#7
birdman0_o	Awesome! What do you do if your cellphone battery dies :O __________________ Mike My website: www.ElectroBird.net

18th October 2009, 07:34 PM	#9
birdman0_o	How did it work without the battery? __________________ Mike My website: www.ElectroBird.net

18th October 2009, 07:46 PM	#10
BrownOut	*with a 3.3V voltage regulator... running on a 12V battery(not visible in pics).* __________________ You don't need a quadraphonic Blaupunkt -- you need a curve ball. Last edited by BrownOut; 18th October 2009 at 07:47 PM.

31st October 2009, 11:04 AM	#11
umar_arshad	Thank you all guys. Last edited by umar_arshad; 31st October 2009 at 11:06 AM.