[time-nuts] [Solved] Looking for multiple PPS timestamp logging

[Jim Lux]

On 10/5/11 12:59 PM, shalimr9 at gmail.com wrote:
> Jim,
>
> This is an interesting product, thank for the link!
>
> Didier KO4BB
>
> Sent from my BlackBerry Wireless thingy while I do other things...
>

There's also the Labjack product... http://www.labjack.com/  USB 
interface for events, ADC, etc.  In the $100 range depending on the model.

A few years ago when it first came out, it was a pain because it was 
Windows only, with limited protocol doc.  But now they've got Linux, 
Mac, Windows, with bindings for just about every language




> -----Original Message-----
> From: Jim Lux<jimlux at earthlink.net>
> Sender: time-nuts-bounces at febo.com
> Date: Tue, 04 Oct 2011 08:40:55
> To: Discussion of precise time and frequency measurement<time-nuts at febo.com>
> Reply-To: Discussion of precise time and frequency measurement
> 	<time-nuts at febo.com>
> Subject: Re: [time-nuts] [Solved] Looking for multiple PPS timestamp logging
>
> On 10/4/11 8:03 AM, Kevin Rosenberg wrote:
>
>> So, if you know of any simple ADC to UART firmwares available, that'd
>> be great so he can just reference someone else's code. The picPET
>> is a perfect device at the perfect time. But, we can't rely on tvb
>> to come up with a 'picADC' at a similarly serendipitous time.
>>
>
> DATAQ
>
> http://www.dataq.com/products/startkit/di145.html
>
> $29, 4 channel 10 bit ADC with USB  interface
>
> You'll need to cobble up a sensor, of course, and I don't know if the
> resolution of the di145 is good enough (20mV/LSB as I recall) for a
> LM335 (10mV/Kelvin?).  One thing you get with cheap is a +/- 10V full
> scale range.
>
> A thermistor and resistor into the DATAQ might work better.
>
> Maxim/Dallas One-Wire devices are another possibility  There's tons of
> PIC code out there to interface to them.  The sensors are cheap (few
> bucks, depending on whether you buy raw device, or you get one potted
> with a cable)  Sparkfun.com has them, among other places.
>
>
> There's also a whole raft of USB temperature loggers out there from
> Onset (HOBO) or DataQ or a variety of other companies.  They tend to run
> in the $80 range  (if someone knows about a battery powered temperature
> logger in the under $25 range, I'd love to hear about it)
>
> And, of course, a DMM with a RS-232 interface is another possibility
>
>
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