Fire Detection System

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Old 06-10-19, 02:08 PM
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Fire Detection System

I want to build a system that detects an outdoor fire. I imagine such a system could use a heat sensor, infrared sensor or a combination of both. Once the fire is detected, it would trigger the opening of 12 volt water valves attached to my hose bibs, and then feed roof sprinklers.

I can find 12V water valves but no luck in finding an outdoor fire detection system (under a couple thousand dollars). Any ideas on how to build one?

 
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Old 06-10-19, 03:44 PM
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If it were as easy as you dream then they probably would be inexpensive. When you think about the technicalities of automatically detecting a fire, at distance, outside and with reasonable reliability you soon realize that it's not so simple a task.
 
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Old 08-12-19, 10:05 PM
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Sounds like you my friend are on a quest for something great! While what you are thinking seems impossible I think you could do something on a small scale and then go big later with some help if you wanted to take it further such as with IBM backing you https://developer.ibm.com/callforcode/

What you seem to be in need of is some sort of microcontroller mesh network sensor array. You can find examples in various academic papers and even on Github.

I'm a fan of Xbee senors for their capability to do mesh networks fairly easily, but they do tend to be a bit spendy. I'm williing to bet you could roll out a $75 birdhouse like sensor that could be deployed every 300 feet and have decent coverage. You would have to have a base station to send that data further if you needed to, but your design wasn't really specified. See this for inspiration: https://blog.arduino.cc/2016/05/04/p...rdhouse-alarm/
 
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