For testing purpose I used esp32 with dht22 configured as web server. Every
10 minutes i use cron to wget value from esp32 to a .txt file. Then I use
weewx user service to read this value into database.
Service:
# -*- coding: utf-8 -*-
import syslog
import weewx
from weewx.wxengine import StdService
class vlagaservice(StdService):
def __init__(self, engine, config_dict):
super(vlagaservice, self).__init__(engine, config_dict)
d = config_dict.get('vlagaservice', {})
self.filename = d.get('filename', '/usb/www/tla/vlaga.txt')
syslog.syslog(syslog.LOG_INFO, "vlaga: using %s" % self.filename)
self.bind(weewx.NEW_ARCHIVE_RECORD, self.read_file)
def read_file(self, event):
try:
with open(self.filename) as f:
value = f.read()
syslog.syslog(syslog.LOG_DEBUG, "vlaga: found value of %s" %
value)
event.record['extraHumid1'] = float(value)
except Exception, e:
syslog.syslog(syslog.LOG_ERR, "vlaga: cannot read value: %s" %
e)
četrtek, 9. november 2023 ob 07:20:17 UTC+1 je oseba [email protected]
napisala:
> Did run run weewxd directly, and check, how the loop packet drop in and
> what in there?
>
> Also: what kind of sensor did you apply to augment your data and how does
> the data go into into you weewx? MQTT?
>
> What I did:
> With my ws23xx, I have a outHumidity Sensor that works well below 85%, but
> barely has readings above this value. Then I made a homebrew ESP8266 based
> Sensor that emits it's readings with MQTT. In weewx I use MQTTSubsbribe to
> get these values and mapped it to extraHumid1. Since my Sensor doesn't
> produce bad values all the time but only in a certain range, and my first
> homebrew sensor wasn't that rock-solid in terms of reliability, my approach
> was to used the extra sensors value only if there are current readings, if
> not, fall back to the stock sensor. I didn't solve this with a correction,
> but with litte user service, I called "usePrefered". This proofed to do the
> trick for me an is tested :D It doesn't come with an installer, I hope I
> described everything necessary in the comments. You find the code there:
>
> https://github.com/mKainzbauer/weewx_extensions/blob/master/usePreferred.py
>
> [email protected] schrieb am Donnerstag, 9. November 2023 um 07:03:57
> UTC+1:
>
>> Michael, when trying this I get value N/A for outHumidity so we are
>> getting somewhere, but it is still not replaced with extraHumid1 value.
>> What do you mean with removin it from locals? :)
>>
>>
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