Keith wrote:

"A thermistor is a type of resistor whose resistance changes linearly
with temperature over a small range.  In this way, if your temperature
suddenly goes up, you wire it to turn on an LED/buzzer/siren/horn that
goes "Danger Will Robinson, Danger!"

<snip>

Or, "Houston, we have a problem", if you are driving while asleep!

Ron Bloomquist -Friday is almost here
Vanaru with Vanagon content