Firefighters' gear is made to withstand heat, but it does have a limit. Sensors would let them know when it's getting dangerous. The sensors are set to warn firefighters when it gets close to 270-degrees Fahrenheit, then again at 420-degrees.
The device fits inside the helmet. It only costs about $35 to make, so it would be an affordable for departments. The students hope to make it a little smaller before putting it into production.
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