Do you have the most recent version of ruuvi collector?
v0.2.5
- Improved error tolerance while parsing for raw data
Closed Issue#23 # Provide better logging on unexpected behavior
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Although I frequently run multiple hcidump commands I have not seen this problem.
ps -el|grep hci # display any processes running Blue Tooth stuff (hopefully)
Can you find any errors in /var/log ?
grep ' RuuviCollector' /var/log/*log |tail -100
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What is you skill level? linux, influx
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Perhaps displaying the exact data stored in the influx database might provide some clues:
influx -precision rfc3339 -database ruuvi -execute "select mac,temperature from ruuvi_measurements where temperature < 20 group by mac limit 50"