Sorry, it is a Vantage Pro 2.station, but the receiver used is the "Davis Weather Envoy™".
I'm just trying to understand why the voltage change or perhaps this value is not what I think? Next step will be to put an oscilloscope and check the real value... Yves Le mercredi 25 octobre 2017 20:24:18 UTC-4, Tom Keffer a écrit : > > You did not say what kind of weather station, but why don't you ask the > manufacturer? > > -tk > > On Wed, Oct 25, 2017 at 12:19 PM, Yves Martin <[email protected] > <javascript:>> wrote: > >> Hi, >> >> Is there any reason why the "Battery Voltage" drop from 4V. to 1.5V when >> I shift from serial port to a USB port ? >> >> see attached picture... >> >> Yves, >> YMartin.com/meteo >> >> -- >> You received this message because you are subscribed to the Google Groups >> "weewx-user" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected] <javascript:>. >> For more options, visit https://groups.google.com/d/optout. >> > > -- You received this message because you are subscribed to the Google Groups "weewx-user" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
