[time-nuts] new WWVB BPSK dev board

[John Ackermann. N8UR]

I ordered one, too.  It looks like there's an IRQ line that goes low +/- 100 ms of the second mark.  It will be interesting to see how stable that is in real life.

On Dec 4, 2018, 11:27 AM, at 11:27 AM, "Majdi S. Abbas" <msa at latt.net> wrote:
>$69 CAD is roughly $50 USD.
>
>Expensive for what it is but easier to work with than gutting a working
>clock and no more expensive.
>
>I ordered one.  Curious to see what sort of precision we can get from
>an i2c interface.
>
>If nothing else I suppose I can toss a six digit i2c 7 segment module
>at it and roll my own WWVB desk clock.
>
>—msa
>
>> On Dec 4, 2018, at 07:50, paul swed <paulswedb at gmail.com> wrote:
>> 
>> I assume thats exactly the case. I also thought it was pretty high.
>> The actual clocks are about $50 or less I believe. So the board seems
>a bit
>> off.
>> Regards
>> Paul
>> WB8TSL
>> 
>>> On Tue, Dec 4, 2018 at 12:03 AM Eric Garner <garnere at gmail.com>
>wrote:
>>> 
>>> This seems relatively expensive for a little wirebonded board of
>this type.
>>> It seems like the sort of thing that you would normally find on
>aliexpress
>>> or ebay for a few dollars.
>>> 
>>> It it because the es100 is otherwise unobtanium?
>>> 
>>> Eric
>>> 
>>>> On Mon, Dec 3, 2018, 6:12 PM Tom Van Baak <tvb at leapsecond.com
>wrote:
>>>> 
>>>> At long last, a complete WWVB 60 kHz BPSK dev board is available:
>>>> 
>>>> 
>>>> 
>>>
>https://universal-solder.ca/product/everset-es100-cob-wwvb-60khz-bpsk-receiver-kit-with-2-antennas/
>>>> 
>>>> Note it includes the antenna(s). Also has links to documentation.
>>>> 
>>>> It would be very nice if a bunch of time nuts around the country
>played
>>>> with these and reported results.
>>>> 
>>>> Prior to this, the only device that you could buy which used the
>enhanced
>>>> WWVB format was the La Crosse 404-1235UA-SS UltrAtomic clock. It
>was not
>>>> developer friendly, so a dev board with the Everset ES100 chip is
>good
>>> news.
>>>> 
>>>> The maker / hacker / Arduino crowd may enjoy a fresh source of
>accurate
>>>> time; something independent of GPS or NTP. Some technical postings
>about
>>>> reception quality, acquisition speed, and timing precision would be
>most
>>>> welcome.
>>>> 
>>>> /tvb
>>>> 
>>>> 
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