smurphy
Full Member
Posts: 169
Raspberry Pi: Yes
Other Device: many ...
|
Post by smurphy on Jan 26, 2020 5:41:50 GMT -8
Hi all,
I'm a newby in the Skyweather project, but as I also do graphing and data analysis etc.'myself, I am collecting the data of my Skyweather system (so far only in my basement, still need to house it and weather proof it). I cheked through the forum and the doc, but don't have everything together yet.
I do have a partial list of the units of the data provided (Note, I use the metric system). So far - here is what I have written down.
For the PowerSystem table:
batteryVoltage: V
batteryCurrent: mA
solarVoltage: V
solarCurrent: mA
loadVoltage: V
loadCurrent: mA
batteryPower: W
solarPower: W
loadPower: W
batteryCharge: %
For the Sunlight Table (No clue ... just a guess).
Visible: W m⁻²
IR:
UV:
UVIndex: 1-11+
For the WeatherData Table:
as3935LightningCount: Counter
as3935LastInterrupt:
as3935LastDistance: Km
as3935LastStatus:
currentWindSpeed: Kph
currentWindGust: Kph
currentWindDirection: °
currentWindDirectionVoltage: Volt
totalRain: mm
bmp180Temperature: °C
bmp180Pressure: hPa / milli bars
bmp180Altitude: m
bmp180SeaLevel: hPa / milli bars
outsideTemperature: °C
outsideHumidity: %
insideTemperature: °C
insideHumidity: %
AQI: µg/m³
Anything I should change/ is wrong?
|
|
|
|
Post by SDL on Jan 27, 2020 10:59:58 GMT -8
I thought the sunlight table is in Lux. No UV readings in SkyWeather, so there is nothing there. Everything else looks good.
BP
|
|
smurphy
Full Member
Posts: 169
Raspberry Pi: Yes
Other Device: many ...
|
Post by smurphy on Jan 28, 2020 0:33:21 GMT -8
Thx for the headsup opn the Lux. I'll update my table. What about the IR data? Would it be MicroElectronVolts?
I have the SkyWeather Solar kit. And you're right. No UV data as no sensor. Would be nice to have one though. And - I added it as it is provided in the DB (MySQL Table). |
|
|
|
Post by SDL on Jan 28, 2020 15:06:48 GMT -8
IR data should be in Lux too.
BP
|
|
smurphy
Full Member
Posts: 169
Raspberry Pi: Yes
Other Device: many ...
|
Post by smurphy on Jan 29, 2020 0:52:49 GMT -8
Thanks. Will update my Monitoring data.
|
|
|
|
Post by intihuatana on Apr 9, 2020 10:37:41 GMT -8
Great, this is exactly where I am right now! The value Watt is formed from Volt and mA. [Battery, solar panel and system] Q1: What is behind batteryCharge? Daylight and IR are in lux, as far as I understood, IR is calculated from the measured values. AQI is an index and delivers integer values! Tables are available on the net: waqi.info/Q2: How is this AQI averaged over the term? Because on restart, it starts at zero. Best regards Joe
|
|
smurphy
Full Member
Posts: 169
Raspberry Pi: Yes
Other Device: many ...
|
Post by smurphy on Apr 10, 2020 4:15:13 GMT -8
Q1: Battery charge is charge level using the Voltage Charge/Discharge profile for Lipo batteries.
Q2: AQI shows the number of particles it collected during the measuring cycle (the way i understood it). So there is no average really. time based status information.
|
|
|
|
Post by intihuatana on Apr 10, 2020 14:03:43 GMT -8
That means it's a percentage value. Instead of polymer I use ions, where do I find the profile?
As additional security I exchanged the 10kOhm resistor for a temperature sensor. This one is directly attached to the battery. Can I read the value of this sensor? It is located on the SunControl board.
I will read the exact function of the AQI sensor in the coming days and also have a look at the source code. The internal AQI has been at the value 0 since the first start - is also rather tiny compared to the external sensor.
|
|
smurphy
Full Member
Posts: 169
Raspberry Pi: Yes
Other Device: many ...
|
Post by smurphy on Apr 12, 2020 1:22:48 GMT -8
The discharge cuve values of a LiPo battery are very similar (Check this: learningrc.com/lipo-battery/) to learn about these. As I am a RC-Plane pilot, I did quite some digging to understand how batteries work and who to rate these (I belong to those people wanting to understand how things work). Check this out: stargate.solsys.org/mod.php?mod=faq&op=extlist&topicid=41&expand=yes - these are explanation on how to measure the state and real quality of LiPo batteries. Regarding the battery Sensor and how to attach it, SDL will have to answer. I just use the stuff :} Just make sure the AQI sensor is correctly wired. I too had issues understanding all the wiring in the beginning. You really have to "stick" to the script  Then it works. |
|
|
|
Post by intihuatana on Apr 12, 2020 11:36:53 GMT -8
hello smurphy,
thx! I'm reading up on the subject myself - balcony power plant. A measuring device for the internal resistance is already here, now the matching charger is still missing.
The cabling is in order, the measurements are already running. What I'm interested in here is the analysis of the sensor.
hello BP,
as additional security I exchanged the 10kOhm resistor for a temperature sensor. This one is directly attached to the battery. Can I read the value of this sensor?
Best regards Joe
|
|
|
|
Post by SDL on Apr 13, 2020 16:05:06 GMT -8
Joe,
What 10KOhm did you replace with what? Tell me exactly and what temperature sensor.
BP
|
|
|
|
Post by intihuatana on Apr 14, 2020 0:33:27 GMT -8
Hello BP,
on the SunControl board was a hard-wired 10kOhm resistor. I replaced it with a 10kOhm resistor to monitor the temperature of the battery pack. Threshold is at 0°C and at 50°C. Tested with hot water and ice.
Is it possible to query this sensor or is it not coupled to the bus?
Best regards
Joe
|
|
|
|
Post by SDL on Apr 14, 2020 8:08:31 GMT -8
|
|
Then it works.