[GRLUG] Time Clocks and Software

Bill Littlejohn billl at mtd-inc.com
Wed Jan 26 10:37:40 EST 2011


> This is more along the lines of what I thought people would suggest.
> Very interesting. My major concern with this is clock drift. Ideally
> the clock needs to be correct to within a few seconds, or I need to be
> able to regularly correct time via something like NTP. Also I have no
> experience with Arduino, so there would be a learning curve.
>

If your still interested in the DIY approach, the chronodot has much better
accuracy than the DS1307. Adafruit says the ChronoDot will drift less than a
minute per year.
http://www.adafruit.com/index.php?main_page=product_info&cPath=42&products_id=255

Alternatively, I found this:
http://www.moxa.com/product/ioLogik_E1214.htm
http://www.google.com/products/catalog?hl=en&q=ethernet+relay&um=1&ie=UTF-8&cid=8772336975750602054&ei=jj1ATfXUE4zAgQegrc37Ag&sa=X&oi=product_catalog_result&ct=result&resnum=5&ved=0CEgQ8wIwBA#

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