[time-nuts] Any experienced HP 2804A thermometer users outthere?

Didier didier at cox.net
Sat Jan 24 21:40:36 EST 2009

> -----Original Message-----
> From: time-nuts-bounces at febo.com 
> [mailto:time-nuts-bounces at febo.com] On Behalf Of Poul-Henning Kamp
> Sent: Saturday, January 24, 2009 3:27 PM
> To: Discussion of precise time and frequency measurement
> Subject: Re: [time-nuts] Any experienced HP 2804A thermometer 
> users outthere?
> In message <9FE35BF1051B413EAE492817D58EC095 at didierhp>, 
> "Didier" writes:
> >But there are cases where there are too big, or they are in a noisy 
> >environment, and a thermistor is more flexible.
> I seldom find TO-92 too big, in fact, I tend to find things 
> smaller than TO-92 too small :-)

Well, we are now officially going to 0402 discretes and SC-70 and its
smaller siblings for ICs at work, so yes, TO-92 are humongous :-)

> >The 18B20 is almost as small as a thermistor, but I do not 
> have code for it.
> >Can't be too hard though.
> I have some PIC18F code if you want it ?

Sure, it's gotta help compared to starting from scratch, as long as it's C.

Now, if it's PIC assembly...

(I don't do PICs, nothing personal, but I have enough architectures to mess
with already :-) 

Thanks in advance,


> -- 
> Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
> phk at FreeBSD.ORG         | TCP/IP since RFC 956
> FreeBSD committer       | BSD since 4.3-tahoe    
> Never attribute to malice what can adequately be explained by 
> incompetence.


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