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Mega+Ethernet Shield, uploading ThingSpeak channels.
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March 10, 2016
4:39 pm
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March 10, 2016
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I'm new on this forum, and quite new on Arduino and programming in general.
Hi all,

I've developed a quite elementary code to upload three fields (one int, one float, and one text string) in a TS channel.
This code includes ThngSpeak Arduino library. The code works quite fine..... but there is a but.... 🙂 ... nay, three but...

- Data are sent every 30*1000ms. I can change 30 in a range from 15 to 30 with no problem, but if I try a longer time frame (1 mins or more) there are not data uploaded on TS. Nothing else is changed in the code, except for the value in the delay command. In fact my final goal will be to have data sent every hour or so. Any suggestion why?

- When I set 30 secs as delay time, data are updated sometimes twice per mins, but mostly once every two or three minutes (this seems to be quite randomly). Why?

- When I let the script running overnight, I find in the morning only 100 readings for each of the three fields in the same channel. I mean, only 100 lines. What is the limit storage size allocated for each Tingspeak channel?

I appreciate very much any suggestion from anyone can help me.
Many thanks!!!!

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