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Connecting multiple similar devices to one channel
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May 1, 2018
6:03 pm
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pjowsey
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I wish to be able to support an array of identical sensors. Each of these being autonomous and with their own ESP8266 . I would like each of these to to have the same software and not requiring unique provisioning, i would also like to connect all the senors to one to one channel.

Is this sort of configuration a possibility with ThinkSpeak?

May 2, 2018
2:23 pm
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cstapels
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If the updates from each sensor are asynchronous, it would be more in line with the ThingSpeak model to use separate channels for each. This makes it easier to analyze the data. You could use a filter operation in MATLAB analysis to aggregate the data into a single channel after it is written. Then the writes will have a common timestamp.

To make the software similar for each device, I would recommend having a set registration channel that provides instructions to the device. When the device wakes, it reads the registration channel based on its MAC address. If it is not on the list, the device can use a REST call to create a channel and then add itself and its read/write APIKeys to the registration list.

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