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If you install minicom, kill any processes using the serial port, and then use minicom you should see the traffic passing through your RFM12Pi.    This will show that the data is arriving on the pi. 

Unless you have changed the settings on your emontx network group 210 is OK.

Thanks for your response, yes minicom helped a lot. 

It was radio range problem, my fault was, in emontx assembly. There is a wire which is used as antenna, to get ir more compact, I putted all the wire inside the aluminum casing, which works as radio shield :) After I change that, now it is outside the case, everything works well.

Would be nice possibility to monitor radio signal strength.

Thanks, now I have long way to go to get everything set up, as i like to:)

Hi, I have a similar problem with my account on the website emoncms, my inputs are shown inactive "last updated inactive", anyone know how to fix this, which is the cause of that is idle.

Thank you ..!

José,  Have you followed the advice on the thread to "install minicom, kill any processes using the serial port, and then use minicom you should see the traffic passing through your RFM12Pi. "   

To check to see if data is arriving on the Pi?

Hi, thanks for replying ...
I performed the procedure, but I still have the same problem ...
I must clarify that I am using an account in emoncms.org, and for sending data, I'm working with arduino and ethernet shield.
He was sending the data as normal a few days before do not what caused that are inactive now. The values ​​of each input is normally updated (every 10 seconds), but in the "upadated" parameter remains inactive.

Any other suggestions. Thank you.

Imp: You can modify an emonGLCD to show the received signal strength: http://openenergymonitor.org/emon/node/2395

Thanks Robert Wall.
I suspect that my inputs have been blocked for some reason (perhaps because the time interval for updating the inputs every 10 seconds). Now my inputs are active but are updated every 5 minutes, I configured to make it every 20 seconds .... But with an interval of 5 minutes you can try for now, although I wish it every 20 seconds.

Any idea what's going on? Thank you.

I wonder it may have been caused by a load spike earlier today around 11am. The input queue was quite long for a few hours, but it is back down now.

I had "node inactive" and the reason for it was the incorrectly set date . just thought I leave that here for when someone stumbles on this thread .. just one more thing to check.