> -----Original Message-----
> From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] On
Behalf
> Of Bob Blick
> Sent: 08 February 2010 18:41
> To: Microcontroller discussion list - Public.
> Subject: Re: [PIC] Measuring flow using a temperature sensor (and
maybe a
> heater)
> 
> 
> Back to the one that used two transistors heated to 50C. I built that
> many years ago when it forst appeared, because it was charming.
Although
> it does work, plain transistors are awful. There is too much thermal
> mass. It takes a minute to stabilize and response to changing flow
rates
> was wobbly.
> 

I guess it would be somewhat better with small SM packages (e.g. SC70)?

Regards

Mike

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