Thank you! The weatherstation service is my first RPI project. Where I can 
find the driver files on my RPI? 

Am Samstag, 23. Mai 2020 19:59:04 UTC+2 schrieb Michael:
>
> Hi Felix,
>
> try this 
> https://raw.githubusercontent.com/weewx/weewx/development/bin/weewx/drivers/te923.py
> see: 
> https://groups.google.com/forum/#!searchin/weewx-user/te923%7Csort:date/weewx-user/Bx4tSRnz7aw/sZ8QPU4hBAAJ
>
> Michael
>
>
> Am Samstag, 23. Mai 2020 19:38:02 UTC+2 schrieb Felix Maltzahn:
>>
>> Hey, 
>>
>> After upgrading weewx to V.4.0 I have a big problem with reading my TFA 
>> Nexus (TE923). If I downgrade to 3.9.2 all works fine.
>> In the tail log I found the following messages:
>>
>>  sudo tail -f /var/log/syslog
>> May 23 18:58:38 wetterstation weewx[1950] CRITICAL weewx.engine:     
>> ****      self.read_memory_size()
>> May 23 18:58:38 wetterstation weewx[1950] CRITICAL weewx.engine:     
>> ****    File "/usr/share/weewx/weewx/drivers/te923.py", line 1752, in 
>> read_memory_size
>> May 23 18:58:38 wetterstation weewx[1950] CRITICAL weewx.engine:     
>> ****      buf = self._read(0xfc)
>> May 23 18:58:38 wetterstation weewx[1950] CRITICAL weewx.engine:     
>> ****    File "/usr/share/weewx/weewx/drivers/te923.py", line 1722, in _read
>> May 23 18:58:38 wetterstation weewx[1950] CRITICAL weewx.engine:     
>> ****      buf = self._raw_read(addr)
>> May 23 18:58:38 wetterstation weewx[1950] CRITICAL weewx.engine:     
>> ****    File "/usr/share/weewx/weewx/drivers/te923.py", line 1582, in 
>> _raw_read
>> May 23 18:58:38 wetterstation weewx[1950] CRITICAL weewx.engine:     
>> ****      reqbuf[5] = (reqbuf[1] ^ reqbuf[2] ^ reqbuf[3] ^ reqbuf[4])
>> May 23 18:58:38 wetterstation weewx[1950] CRITICAL weewx.engine:     
>> ****  TypeError: unsupported operand type(s) for ^: 'int' and 'float'
>> May 23 18:58:38 wetterstation weewx[1950] CRITICAL __main__: Unable to 
>> load driver: unsupported operand type(s) for ^: 'int' and 'float'
>> May 23 18:58:38 wetterstation weewx[1950] CRITICAL __main__:     ****  
>> Exiting.. 
>>
>> Can anybody help me?
>> Sorry for my bad english ;) Greetings from Germany
>>
>

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