Hi Roy,

No I have not seen or heard of the device but it sounds like it would be an 
interesting project to develop a driver. How are your python skills as yes, you 
will need to write a custom driver. The driver itself would not need to be that 
complex; it would just need to receive serial data from the logger, 
parse/convert the data, construct a WeeWX loop packet and finally emit the loop 
packet. All of these things have already been done in one WeeWX driver or 
another. 

Where things will get interesting is developing a flexible config section for 
the driver so the user can specify what sensors are present, how to derive an 
observation from a sensor and how to assign sensors to WeeWX fields.

You will find the 'Porting to new hardware' section 
(http://weewx.com/docs/customizing.htm#porting) of the Customization Guide 
(http://weewx.com/docs/customizing.htm) helpful. You might also want to look at 
some of the existing drivers 
(https://github.com/weewx/weewx/tree/master/bin/weewx/drivers) included with 
weeWX. The Vantage driver certainly does some serial comms as do a number of 
others. The fileparse driver 
(https://github.com/weewx/weewx/tree/master/examples/fileparse) reads simple 
formatted data from a file. And I didn't even mention any reading to 
improve/develop your python skills.

Probably a bit of reading to do...

Gary

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