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breyno2 said:The 877A is relatively new, widely available, and quite capable of the task, but what kind of disaster protection did you have in mind?
kaaaye said:Thanks for the reply everyone. Err, I forgot to add something with regards to the project, it also should be related with the use of SMS.
Regarding the kind of disaster protection .. Choices are: Floods, fire or earthquakes.
Thanks in advance for the replies.
Cheers!
simrantogether said:well..
you need a project on disaster protection...
make a simple radar.. that detects if any aeroplane or anything is coming or not..
the radar is rotated by a stepper motor..
for sensing aeroplane .. it uses .. infrared proximity detector..
Regards,
Simran..
HarveyH42 said:I'd imagine floods and earthquakes would be the most difficult and impractical, as there is very little fore warning. In at risk areas, there is some normal level of activity, how to determine a potentially disasterous level in time to be of any use...
Fire would be the simplest, just interface your cell phone to a smoke detector through a microcontroller. I've seen several SMS/microcontroller projects on the web, so that part shouldn't be too tough to get going. Solder a couple of wires to the smoke detector sounder, a resister, and you have your input...
I don't use cell phones (tools of the devil ), so no real interest in how they work, or what you can do with them. Although, I did see some for $1.00 surplus, I was curious about the graphics LCD...