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Topic: arduino ethernet shield noob lost (Read 353 times) previous topic - next topic


Hi all, i justo bought a new arsuino ethernet shiel but i have never use anything like this before, so im a bit lost in this case, so i just want to connect the arduino to internet, and look out if a led changes its state....

but for this, i need a server or the web page its inside the arduino???


Study the examples at File->Examples->Ethernet
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A client asks questions. A server provides answers.

Since the Arduino knows whether the LED is on or off, the choice of client or server seems pretty clear.


thanks, but if i want to use something more complicated like some sensors and motors on a device and i want to get the readings froms this sensors, and also control the motors.... its a server or a client??


The Arduino knows the answers (the sensor values). It can answer questions that contain data, like GET /?color=green&speed=89 by setting the green motor to a speed of 89 (Yes, that's a dumb example).

Servers know the answers, so you want the Arduino to be a server.

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