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shogun77

  • Registered on: 2014-12-28
  • Last connection: 2014-12-29

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2014-12-31

12:30 JeeLabs Café Support: RE: Trouble to make communicating two rfm69 jeenodes
OK, thank you all for the informations and support.
Now I have a configuration it seems to work. Maybe not optimal.
I...
10:38 JeeLabs Café Support: RE: Trouble to make communicating two rfm69 jeenodes
JohnO wrote:
\> Interesting that only node 4 seems to see the CRC errors. Perhaps we could look at a third node sendi...

2014-12-30

21:43 JeeLabs Café Support: RE: Trouble to make communicating two rfm69 jeenodes
martynj wrote:
\> The general performance should improve - less CRC’s, AGC starts working properly etc…
And how can ...
21:15 JeeLabs Café Support: RE: Trouble to make communicating two rfm69 jeenodes
martynj wrote:
\> Please try adjusting the RSSI threshold - your method is correct.
Done. How can I know if the effe...
20:52 JeeLabs Café Support: RE: Trouble to make communicating two rfm69 jeenodes
JohnO wrote:
\>
\> If you stream ‘t’ again, I would like to see 50 or so with your finger parked on the ‘t’ key.
I a...
20:39 JeeLabs Café Support: RE: Trouble to make communicating two rfm69 jeenodes
martynj wrote:
\> Finally - a spectral view. I don’t know how well the SDR is calibrated, but if the scales are trust...
19:17 JeeLabs Café Support: RE: Trouble to make communicating two rfm69 jeenodes
JohnO wrote:
\> With your current setting the receiver is seeing around 77dB could do with more power on the transmit...
19:11 JeeLabs Café Support: RE: Trouble to make communicating two rfm69 jeenodes
JohnO wrote:
\> When you get some reasonable operation at whatever frequency it would be good to see you stream ‘t’ c...
18:57 JeeLabs Café Support: RE: Trouble to make communicating two rfm69 jeenodes
I captured the Rf activity on the 868 Mhz band with an RTL-sdr dongle.
![](868_1.png)
You can see the activity whil...
18:39 JeeLabs Café Support: RE: Trouble to make communicating two rfm69 jeenodes
Thank you.
I set both radios to 0dbm power (146). And now I can make them communicate at 7 meters with the straigth ...

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