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rfid and thingspeak
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April 13, 2018
10:42 am
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apollyon
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April 13, 2018
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i started a project for smart parking, and iam using a rfid tag in the car and rfid reader in the parking spot.

so the question i want to ask is the can i use a single channel to push one tag per one field and also weather or not field individually give lat long or not 

please advice or suggest better method

April 13, 2018
3:24 pm
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cstapels
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Sounds like a great project for ThingSpeak.

 

I would use a channel for each tag.  Since the fields in a single update all share a single timestamp, every time you post with a tag, all the other tag fields would be updated with a NULL value.

Latitude and Longitude are available with each feed entry, so if you have two fields updated in the same post, you would not be able to have separate location information.  However, if the updates were from two separate devices, they would be separate entries and they would each have their own location information.

Still, I urge you to use one whole channel per device. Your data will be much easier to sort and understand.

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