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1  International / Deutsch / Re: Aduino Ethernet Netzwerküberwachung on: January 12, 2014, 12:46:37 pm
Ich habe auf ein Projekt gestartet dass mit einem Arduino Uno und dem Ethernetshield (W5100) etwas sehr änliches macht, nämlich alle IPs im Netzwerk scannen und dann eine Statistik über die Zeit ausgeben welches Gerät wie of online ist... Ich denke da findest Du ein paar der Code teile die Dir weiter helfen könnten.

Was gerade noch nicht funktioniert: die MAC Adresse zu gefundenen (gepingten) IPs herauszubekommen. :-(
2  General Category / General Discussion / Re: The Ardunino documentation quality is very bad... on: April 06, 2013, 02:51:53 pm
Thanks for responding and understanding my approach.

I'm very familiar with the PHP documentation. If there is or was any problem about a function, it has been mentioned in the documentation with a big exclamation mark. And every little useful information about a function is on that single function page. If it is not on the official part there, there is still a comment below by a user. Also the "similar" functions section is very useful in the PHP documentation. It leads me to other function which might be more useful for my case.

I miss all these features on the Arduino page. It's a mess. I avoided to register for the forum for years...

When it is a known problem that a SD card has better to be removed when working with the Ethernet Shield it should be on every single page of the Ethernet reference! Why not?.

For a valid HTTP request which does not produce an error by an Apache server you need four lines of commands not only one. Only a one liner looks nice in the documentation but does not work on most real live situation. A notice would be very, very helpful.

There are undocumented functions which come up in forum example code but they are not documented. For example "Ethernet.status()".

All those problems took me hours and days to solve. I'm sure with a better documentation it would have taken only minutes!

Thank you very much for responding.

I was about to remove the link to the SO page, but somebody was faster. Sorry!
3  General Category / General Discussion / The Ardunino documentation quality is very bad... on: April 06, 2013, 08:35:04 am
The Arduino documentation quality is very bad:
  • A lot of known bugs (Ethernet!) were not mentioned in the reference
  • Comments in the reference are not possible

And this forum has a poor UX. It is almost impossible to search for two words, since the results come up with pages showing results of only one word... And also searching for "()" for example for searching for code is also not possible.

Hopefully there will be soon a Stack Overflow Community about Arduino:

Dear Arduino crew please
  • switch to Stack Overflow. It pushes the quality of the documentation a lot!
  • Also provide general access to edit the references.
  • Please fix the forum search.
  • Please remove those unnecessary forum post forum features. Nobody uses them except for "code"
  • Please find a better style for the code block in forum posts, they are annoying and very big, the dotted lines are not beautiful.
  • Please reduce the layout of the forum it's very noisy.
  • Please remove stupid features like icons from the forum.
  • Reduce the number of forums, it is hard to figure out if a question is technical/software/setup or whatever. Better add a good tagging system. Not this 2003 style of forum categories...

I do like Arduino a lot!

Stack Overflow:
4  Using Arduino / Networking, Protocols, and Devices / Official Documentation for Ethernet client.status() ? on: April 06, 2013, 08:13:13 am
Where do I find some information about the returned codes of


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