Hello
I would like to use the Arduino Cloud to retrieve data transmitted by an Arduino Uno and an Ethernet 2 shield. I would like to know if this is possible (having found nothing on it but I'm still asking the question)
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sorry I am in no way used to the forum thank you for warning me of my mistake
Hi @dedales29. Arduino has made it quite easy to use the Arduino Cloud IoT features with a specific array of boards (e.g., MKR WiFi 1010, Nano 33 IoT, Nano RP2040 Connect, Nano ESP32, UNO R4 WiFi). Setting up one of these boards as an Arduino Cloud Device is a simple matter of plugging it into your computer and clicking a few buttons on the Arduino Cloud website. Although you still need to write the sketch code to implement the actual functionality you want for your Arduino Cloud Thing, Arduino provides libraries that handle all the low level work of connecting and communicating with the Arduino Cloud server.
In theory, it is possible to use other hardware. However, this would be significantly more difficult to do because you will be starting from scratch. It is something that should only be attempted by advanced users, and even then likely only worthwhile if you are looking for a challenge.
Even if you wanted to do that, it would likely still be impossible to accomplish with an UNO R3 simply because the memory requirements for communication with Arduino Cloud would likely exceed what is available on the UNO R3's ATmega328P microcontroller.
So if you want to use the Arduino Cloud IoT features, I recommend just getting one of the supported boards. You can support the work Arduino does to provide free open source software, documentation, and hardware designs to the community by purchasing official hardware. It is available from these sources:
Even though they aren't suitable for this specific use case, the UNO R3 and Ethernet Shield Rev2 are very nice pieces of hardware so I'm sure you'll be glad to have them on hand for other projects.
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