February 10, 2015
I need to be able to retrieve the last value written to a specific field along with its timestamp. I have no way of knowing if the field was written to a minute ago or 20 days ago. It's entirely possible there are 8000 NaN values between now and that last write so I can't reliably read in an array and search for the data. I was able to get the value using the URLfilter (url:https://thingspeak.com/channels/666/fields/2/last.json?api_key=BLECHIMTIREDOFFLAILING) but I can't see how I can retrieve the date/time.
I don't suppose there's a simple name/value pair for 'last?' Or perhaps a workaround?
I need to retrieve two or three values from the same channel and unfortunately it's not possible for me to split them up into their own dedicated channels.
January 18, 2011
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