Sonoff Basic R2 loosing WiFi (WiFi too weak?).

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Laurentp

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Jun 14, 2020, 4:43:46 AM6/14/20
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Hi there,
I just started logging Dallasess (connected to Tasmota 8.3.1, Sonoff Basic R2) into PostgreSQL database for creating temperature plots.
And I get plot with gaps. "Confirmed" when there is not data even PING does not work. Status message from Sonoff (when working):

""{"Time":"2020-06-14T09:39:37","Uptime":"0T00:26:40","UptimeSec":1600,"Heap":26,"SleepMode":"Dynamic","Sleep":50,"LoadAvg":19,"MqttCount":1,"POWER":"ON","Wifi":{"AP":1,"SSId":"adelin3","BSSId":"D8:5D:4C:B9:E7:08","Channel":11,"RSSI":58,"Signal":-71,"LinkCount":1,"Downtime":"0T00:06:34"}}""

"{"Time":"2020-06-14T10:11:21","Uptime":"0T00:58:24","UptimeSec":3504,"Heap":26,"SleepMode":"Dynamic","Sleep":50,"LoadAvg":19,"MqttCount":2,"POWER":"ON","Wifi":{"AP":1,"SSId":"adelin3","BSSId":"D8:5D:4C:B9:E7:08","Channel":11,"RSSI":58,"Signal":-71,"LinkCount":2,"Downtime":"0T00:33:59"}}"

It is about 9m from the back of antenna, but this is directional antenna and Sonoff is in "reverse antenna flap". It is 18dB panel antenna.

Plot is online at: http://laurentppol2.ddns.net:999/temperatury_dzis_solar.html

Other Sonoff shows -63 signal stregth.

Restarting AP (router with OpenWRT) helped now.

Is it WiFi range problem or router (AP) problem (it needs HW restart every ~30-60 days, as it looses WiFi), or Tasmota config problem?


Laurent

Laurentp

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Jun 19, 2020, 4:38:37 AM6/19/20
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Will answer myself ;p
Moving Sonoff about 1m higher than before, and it works :) (distance between AP and Sonoff is ~8m, but directional antenna).

Laurent
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