well u could check by just changing the batteries for alkaline and see if the issue goes away again!!
On Tuesday, 28 January 2020 06:13:28 UTC+2, Drew Latta wrote: > > I am getting a lot of no data error messages in the log, like: > > Jan 27 01:56:00 raspberrypi weewx[565]: acurite: R1: ignoring stale data > (rssi indicates no communication from sensors): 01 c8 7c 71 00 00 00 03 00 > 00 > Jan 27 01:56:18 raspberrypi weewx[565]: acurite: R1: ignoring stale data > (rssi indicates no communication from sensors): 01 c8 7c 71 00 00 00 03 00 > 00 > .... > > Yes, I agree that the barometric pressure bit is weird. > > However, the AcuRite display unit is also "searching for a signal" when it > isn't working correctly as there is a signal icon on the display that is > flashing rather than showing bars. So that seems to suggest to me that it > is a true signal issue. > > Based on the Energizer datasheet, the lithium primary batteries are > supposed to have an nominal voltage of 1.5 V. At 100 mA drain they have a > pretty flat discharge curve at 1.4 V for a long time. I don't think it is > undervoltage from the batteries. > > One thought is that the extra metal (Li) in there is causing some signal > propagation issue, but it doesn't seem to explain the day/night difference. > Seems like a stretch. > > Drew > > On Monday, January 27, 2020 at 2:10:30 PM UTC-6, p q wrote: >> >> I have a similar setup. >> >> Here's what's weird. The barometric pressure is also from the display >> unit (I'm pretty sure) and it's dropping out too. >> >> Can you check to see what's in your database? Is the problem in the >> display or in recording the data? Are you getting any error messages in the >> log? >> >> I don't think switching settings is going to help, but I don't know. >> >> Lithium batteries used to be 1.3 volts vs 1.5 volts for alkaline. I don't >> know if yours are that way. It might even be worse than nominal voltage >> when it's cold. >> >> On Mon, Jan 27, 2020 at 10:34 AM Drew Latta <[email protected]> wrote: >> >>> Hi WeeWx users, >>> >>> I have a working WeeWx install on a Pi Zero W connected to an AcuRite >>> 01036 via USB. >>> >>> I have been having some issues with data dropout during the daytime. >>> Which you can see here: http://173.29.136.66/weewx/ >>> >>> My assumption is that because the data for inside temperature are being >>> shown that this is a communication issue between the AcuRite display and >>> the 5-in-1 station rather than the AcuRite display and the Pi. >>> >>> The interesting twist here is that the data drop-outs are now worse >>> since I put in 4 new lithium AA batteries in the 5-in-1 to replace 4 new >>> alkaline AA's I had in it. I generally use lithium AA's in the 5-in-1 since >>> we often get winter lows < -20C (-5F). >>> >>> Any thought on why lithium batteries would degrade the signal quality >>> during the daytime worse than alkaline batteries? >>> >>> Does switching channels from A to B or C ever help this problem? >>> >>> Thanks for your thoughts, >>> >>> Drew >>> >>> -- >>> 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]. >>> To view this discussion on the web visit >>> https://groups.google.com/d/msgid/weewx-user/b7612e87-62b8-4f66-bd31-66bddae7d79b%40googlegroups.com >>> >>> <https://groups.google.com/d/msgid/weewx-user/b7612e87-62b8-4f66-bd31-66bddae7d79b%40googlegroups.com?utm_medium=email&utm_source=footer> >>> . >>> >> >> >> -- >> Peter Quinn >> (415)794-2264 >> > -- 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]. To view this discussion on the web visit https://groups.google.com/d/msgid/weewx-user/bb148808-1c78-4a8d-8dfc-42446f787964%40googlegroups.com.
