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Questions tagged [json]

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Arduino JSON foreach loop

I'm trying to extract values using ArduinoJson. The values aren't fixed, therefore I need to use the foreach loop. I'm trying this, but I can't seem to use the values like I could with. root["0"]["...
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979 views

How to get the server response when I post to a web api [closed]

I have an arduino which is using a TCPClient to post JSON messages to a web api. First, I have pasted the code below to see if people have general comments about the method I am using to do so. I am ...
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1answer
96 views

How to upload sensor data on pubnub IOT with JSON Format?

I am trying to send MPU9250 sensor data to Pubnub IOT platform using node mcu, but not able to do it since the sensor data is not in JSON format. I know about publishing string but don't know about ...
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1answer
413 views

Can't read JSON data from client (webpage) with Arduino Leonardo ETH

I'm reading a digital pin and count how many times that pin is enable, after that the data is sent in JSON format. All is working well till here. But I want to introduce a value from webpage to ...
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1answer
371 views

Arduino JSON extract using ArduinoJSON Library [closed]

I'm having a problem extracting the Object/Array from this sample json [ { "sensor":"gps1", "time":1351824120 }, { "sensor":"gps1", "time":1351824120 } ] Would anyone ...