Warning signal

[tomdtc]

Thermal switch (110 degree f) to activate 60 second delay before supplying 1.5vdc~3.0vdc to led. Circuit should reset when environment cools. Must fit inside a 1/4 sleeve.

 

[gophert]

Thermal switch (110 degree f) to activate 60 second delay before supplying 1.5vdc~3.0vdc to led. Circuit should reset when environment cools. Must fit inside a 1/4 sleeve.

Looks like enough information that you can search here...
Digikey.com
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The timing can be done with the little microcontroller discussed in your other thread.
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