Writing data to channel using urllib python package

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Owen Medeiros 2019-11-5

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https://ww2.mathworks.cn/matlabcentral/answers/489335-writing-data-to-channel-using-urllib-python-package

评论： Vinod 2019-11-5

Hello,

I am trying to write instrument data to a ThingSpeak channel using python. I have installed the urllib package and I am using using the urlopen command to write data. I am able to write data for multiple fields (I have shown t1 as an example but I also have t2, t3), however the rate is inconsistent. More explicitly, the time in between data points varies. I have tried different length delays between events, still inconsistent.

Is this because of Thingspeak, or my python script?

c1 = 'https://api.thingspeak.com/update?api_key=__________&field4='

t1 = urllib.urlopen(c1+str(temp4))

t1.close()

sleep(30)

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Owen Medeiros 2019-11-5

Ok thank you for the info! I did not know about the 15 second delay, I have been using 30 second delays as a standard so I assume that would not be the issue.

Vinod 2019-11-5

If you've resolved that, then another reason your rate is incosistent could be device being capacity limited. Are you sure your computer/device running the python code is not being capacity limited (CPU, memory, network bandwidth, etc.) and is not going to sleep?

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