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MIT APP INVETOR 2
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ic3m4n
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February 20, 2017 - 3:51 am
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Hello everyone,

i have a question.

Is it possible the last send Data from my channel to make it visible on my phone.

I know there are many apps, but i want to make my own for my school project (simple).

I send sensordata from my arduino + gsm to my channel.

i hope you can help me!?

THANK YOU!

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Vinod

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February 20, 2017 - 7:29 am
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I'm not familiar with the MIT App Inventor, so I cannot comment on that specifically.

In general, If you are building an app you can use ThingSpeak's RESTful API to query for points on the channels and display it on your app. For example, to get the most current data from channel 9 of ThingSpeak, you can do this:

https://api.thingspeak.com/channels/9/feed/last.json

Your app will need to make the RESTful call and parse the field value to display the current value.

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ic3m4n
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February 20, 2017 - 8:41 am
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Thanks for the reply, what is a RESTful API ?

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Vinod

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February 20, 2017 - 9:19 am
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When Web services use REST architecture, they are called RESTful APIs (Application Programming Interfaces). You can read up more about REST here:

https://en.wikipedia.org/wiki/Representational_state_transfer

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Robert Mawrey
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February 21, 2017 - 1:37 pm
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ic3m4n said
Hello everyone,

i have a question.

Is it possible the last send Data from my channel to make it visible on my phone.

I know there are many apps, but i want to make my own for my school project (simple).

I send sensordata from my arduino + gsm to my channel.

i hope you can help me!?

THANK YOU!  

It is actually quite easy to build an MIT App Inventor App to display ThingSpeak data.  Please see the following post on my blog for an example of how to do this: http://www.mawrey.com/simple-thingspeak-viewer-app-using-mit-app-inventor-2/

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