ECT and voltage divider help?

[Bernd Felsche]

Cudabob writes:

>>So, my question is, how do I switch something based on this
>>voltage? Basically, I want to monitor the voltage to the ECT
>>sensor and when it drops to around .4 or .5 V I want to trigger an
>>output (that eventually drives a relay).  Then, while the output
>>is triggered and the voltage

>I must have missed something, aftermarket fan kits use a thermal 
>switch for control. Quick and easy, what's the objection, or reason 
>to design a circuit?

1. To learn how to do simple control tasks,
2. To remove the need to install a separate switch/sensor.

-- 
Real Name: Bernd Felsche
    Email: nospam.bernie at perth.DIALix.com.au
	http://www.perth.dialix.com.au/~bernie - Private HP
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