Weather Station Hardware > Ambient Weather and Ecowitt and other Fine Offset clones

MUST READ - Fine Offset Clone Models,sensor compatibility,firmware + other info

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Gyvate:
15. data export from the HP25x0 console

export is only possible as CSV files on a microSD card (type SDHC, max size 32 GB [defined by SDHC], format FAT32)
The console writes the basic data from an outdoor array or sensors into its internal memory:
Basis data is:
Time,Indoor Temperature(℃),Indoor Humidity(%),Outdoor Temperature(℃),Outdoor Humidity(%),Dew Point(℃),
Feels Like (℃),Wind(km/h),Gust(km/h),Wind Direction(),ABS Pressure(hpa),REL Pressure(hpa),Solar Rad.(w/m2),UVI,
Hourly Rain(mm),Event Rain(mm),Daily Rain(mm),Weekly Rain(mm),Monthly Rain(mm),Yearly Rain(mm)

depending on your units settings the units for temperature, speed, pressure and rain may be different.

when you have an microSD card inserted, the console also writes data in the set archiving interval to the SD card into a CSV file named YYYYMMa.CSV YYYY=year, e.g. 2022; MM=month, e.g. 06; a= A, B, C - full example: 200206A.CSV
it changes every month
if you remove and reinsert the SD card during a month, a will be increased by one letter

if you make a backup, a backup CSV file by the name Backup-a.CSV is created. a = A, B, C ...
The whole memory content (max. 16 MB) will be exported. The 1st export will be Backup-A.CSV, a subsequent backup will be Backup-B.CSV etc.

When the internal memory is full, the oldest record will be overwritten with the newest record.

During a backup the posting to weather services including to a customized target will be suspended. When the memory is full (16 MB) the export may take longer than 10 minutes and, if set, the Ecowitt Dashboard may post an alarm message.

Extra sensors have a different naming and are ONLY written to the SD card.
YYYYMMAllsensors_a.CSV where a = A, B, C - same principle for using B, C etc. as above

the extra data is:
Time,CH1 Temperature(℃),CH1 Dewpoint(℃),CH1 HeatIndex(℃),CH1 Humidity(%),CH2 Temperature(℃),CH2 Dewpoint(℃),CH2 HeatIndex(℃),CH2 Humidity(%),
CH3 Temperature(℃),CH3 Dewpoint(℃),CH3 HeatIndex(℃),CH3 Humidity(%),CH4 Temperature(℃),CH4 Dewpoint(℃),CH4 HeatIndex(℃),CH4 Humidity(%),
CH5 Temperature(℃),CH5 Dewpoint(℃),CH5 HeatIndex(℃),CH5 Humidity(%),CH6 Temperature(℃),CH6 Dewpoint(℃),CH6 HeatIndex(℃),CH6 Humidity(%),
CH7 Temperature(℃),CH7 Dewpoint(℃),CH7 HeatIndex(℃),CH7 Humidity(%),CH8 Temperature(℃),CH8 Dewpoint(℃),CH8 HeatIndex(℃),CH8 Humidity(%),
WH35 CH1hum(%),WH35 CH2hum(%),WH35 CH3hum(%),WH35 CH4hum(%),WH35 CH5hum(%),WH35 CH6hum(%),WH35 CH7hum(%),WH35 CH8hum(%),
Thunder count,Thunder distance,WH45 Temperature(℃),WH45 Humidity(%),WH45 CO2(ppm),WH45 Pm2.5(ug/m3),WH45 Pm10(ug/m3),
SoilMoisture CH1(%),SoilMoisture CH2(%),SoilMoisture CH3(%),SoilMoisture CH4(%),SoilMoisture CH5(%),SoilMoisture CH6(%),SoilMoisture CH7(%),SoilMoisture CH8(%),
Water CH1,Water CH2,Water CH3,Water CH4,Pm2.5 CH1(ug/m3),Pm2.5 CH2(ug/m3),Pm2.5 CH3(ug/m3),Pm2.5 CH4(ug/m3),
WN34 CH1(℃),WN34 CH2(℃),WN34 CH3(℃),WN34 CH4(℃),WN34 CH5(℃),WN34 CH6(℃),WN34 CH7(℃),WN34 CH8(℃)

rules for units are the same as for basic sensors

Gyvate:
16. Ecowitt IoT Automation - the WFC01 intelligent water timer (valve)

a timer-controlled or sensor-measurement-dependent* controllable water valve - IoT (Internet of Things) sensor
( * WFC01, WH51, WH40, and in principle all sensors registered on the GW2000).
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The WDC01 only works together with a GW2000. The other consoles are not supported (so far?).
The background is probably that bi-directional communication is necessary to control an "intelligent" component such as a switch.
A transmitter/receiver is used here that works in the sub-GHz range, like other sensors, with the difference that the other sensors are pure transmitters, while an IoT device must be able to do both. Sub GHz in Europe means using the licence-free ISM* bands, i.e. 868 MHz, in the Americas it's 915 MHz. The modulation methods used are often the same as for classic sensors. The possible methods and protocols also depend on the chip used. Sub-G only means that no WiFi (2.4 or 5 GHz), no Bluetooth or ZigBee is used. Apparently, the GW2000 is the only Ecowitt console that can also transmit in the direction of IoT sensors.

*) ISM: industrial, scientific and medical

The sensor has a built-in liquid flow sensor and a temperature sensor for the liquid temperature (water in this case).
It also has a valve that can be opened or closed. The switching status of the valve, the water temperature and the flow rate are transmitted to the console. The transmission interval is still unknown (Ecowitt writes: "in real time" - the noticeable "reaction time" is <= 1 second).

The WFC01 is controlled/configured with the Ecowitt app (version >= 1.1.25). It can also be switched on/off manually.
When mounting, the direction of water flow (arrow on the back) must be taken into account.

Generally, the valve is opened or closed according to a (time) schedule.
The WFC01 has four operating modes, which differ in the scope of performance:
(1) Timer Button Mode (i.e. the valve is switched via the button on the unit).
(2) Manual Watering Mode (the valve is switched on and off via the Ecowitt App with a click, whereby there are three sub-modes)
(2.1) Turn on and off by duration [selectable between 10-43,200 seconds or 1- 720 minutes].
(2.2) Switch on and off via quantity (throughput)
(2.3) Always on (until switched off either by app or manually at the unit)
(3) Plan mode - here, up to 24 plans (=on/off times) can be defined, whereby here, too, a choice can be made between duration or quantity (throughput).
(4) Smart mode, also called automation, (not yet contained in the manual yet).
here, existing modes/schedules can be overwritten/skipped, e.g. depending on WH51 and/or WH40 sensor values. The prerequisite is the use of the Ecowitt Cloud.
In principle, the readings of all Ecowitt sensors can probably be defined as triggers.
A water consumption log is saved in the cloud and visible in the Ecowitt app

smart mode use case example:
If the switch/timer is used for outdoor watering, it makes little sense to also water when it rains.
If the water is too cold, it is counterproductive to water with it for certain plants.

The WFC01 is tested to a water pressure of up to 0.9 MPa, is waterproof and dustproof to IP66 and built from corrosion-resistant material.
Together with the bracket and batteries (2 x AA), it weighs in at a hefty ~650 g. So it's no lightweight.

On 31 July 2023, Ecowitt released the GW2000 firmware 3.0.5, which also allows the WFC01 to be used (together with the Ecowitt App). In the Ecowitt App, the WFC01 can be set up as a subdevice (see pictures below), after which the connection page (pairing, see below) is accessed. After successful pairing, the WFC01 is displayed in the Ecowitt app (but so far not in the cloud browser view - and this doesn't seem to be planned so far either ). When you click/tap on the tile, the configuration dialogue appears. There you can select PLAN, SMART or LOG - see below for examples.

According to current information, sixteen (16) WFC01 ("Wittflow") devices can be managed per GW2000.

(text continues after the pictures !!)

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The plans and the manual instructions (mode 2 and 3) are sent by the GW2000 to the WFC01 where they are stored when they are saved in the Ecowitt app. Even if the WFC01 loses contact with the GW2000 (e.g. power loss of the GW2000), the plans will still be executed resp. the manual instruction will be completed once the completion criterion is met as the sensor runs on its own batteries.

If the battery level of the WFC01 drops below one bar (5 bars available to indicate the charging status), the valve switches automatically off.


Gyvate:
For those interested in the inner life of a WFC01, see two pictures below

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Gyvate:
17. thread changelog (continued)  (due to number of characters limitation per post)

(25-Sep-2023) WiFi firmware EasyWeatherPro upgraded to 5.1.3 (WN34D support, WH46 PM1, 4 support)
(26-Sep-2023) firmware 1.2.3 for WN1980 released (now also WFC01 support)
(08-Oct-2023) WiFi-firmware EasyWeather 1.6.6 for HP2550, HP350x, WS2320, WH2910 consoles with old WiFi modem released
(12-Oct-2023) firmware for GW1000/WH2650 upgraded to 1.7.7
(16-Oct-2023) firmware 2.2.8 for GW1100 and 3.0.8 for GW2000 released
(17-Oct-2023) added chapter 18 - Ecowitt outdoor arrays
(18-Oct-2023) device firmware 1.9.3 for HP25x0 consoles released - changes see firmware changelog
(26-Oct-2023) sensor firmware 1.3.8 for WS90 outdoor array released - changes see firmware changelog
(05-Nov-2023) updated sensors per console matrix (chapter 10)
(29-Nov-2023) updated WN90LP (Modbus version of WS90) information in footnote 27 of the sensor/console matrix.

Gyvate:
18. the Ecowitt outdoor arrays
There are so far (October 2023) five different outdoor arrays offered by FineOffset/Ecowitt as part of a station - see also chapter 5. Console (WiFi) + sensor combinations / packages ("stations") - pictures see matrix

WN67
the WN67 is a 5-in-1 leightweight outdoor array with four sensors (wind speed, wind direction, outdoor temperature/humidity, rain) and it provides five readings: outdoor temperature, outdoor humidity, wind speed, gust speed and wind direction. It has NO solar sensor and NO solar panel (WN means no solar panel !). It runs on battery only and transmits its readings every 48 seconds.
There is a battery pack for the WN67 with a 10m extension cord for easier battry exchange (sold as WS69 accessory)

WH65/WS65/WS69
The WS69 and the WS/WH65 array come with two different designs: WS65 (older design) - Y-shape or osprey shape with the wind reading sensors at the bifurcation end - and the WS69 (newer design) - I-shape with the wind and wind direction sensors above each other, where also two variations exist (old: cups up, vane down and new: cups down, vane up). All three designs are current sold with different consoles as starter stations by Ecowitt and different resellers: WS2320E, WH2910, HP3501, HP25x1, GW1101, WH2650, WS6006.
There is a battery pack for the I-shape model (WS69) only with a 10m extension cord originally built for the WN67.
The battery pack won't work with a WH65 Y-shape design model.

The WS65/WS69 array is a 7-in-1 array: 5 sensors - 7 readings (wind speed/gust/direction, solar + UV, T/RH, rain). It has a solar panel and an inbuilt supercapacitor as energy storage ("battery"). Its transmission interval is 16 seconds.

WS68
The WS68 array is a 5-in-1 array: 3 sensors - 5 readings (wind speed/gust/direction and solar + UV)
It has a solar panel and an inbuilt supercapacitor as energy storage ("battery"). Its transmission interval is 16 seconds.

WS80
The WS80 array is a 6-in-1 array: 3 sensors - 6 readings (wind speed/gust/direction, solar, outdoor T/RH).
It has a solar panel and an inbuilt supercapacitor as energy storage ("battery"). Its transmission interval is 4.75 seconds.
Its anemometer is based on ultrasonic measurement of wind speed and direction. In its latest hardware revision its pluggable outdoor T/RH sensor with a bluish plug end (type3, SHT31/40 sensor) can be replaced by a high precision SHT35 T/RH sensor.
It contains a thermostate triggered heater plate to allow for ultrasonic measurements below 0 C / 32 F with a 12V/1 A power supply. When connected to an external power source, the whole array runs on external power.

WS90
The WS90 array is a 7-in-1 array: 4 sensors - 7 readings (wind speed/gust/direction, solar, outdoor T/RH, rain).
It has a solar panel and an inbuilt supercapacitor as energy storage ("battery"). Its transmission interval is 8.8 seconds.
Its anemometer is based on ultrasonic measurement of wind speed and direction. In its latest hardware revision its pluggable outdoor T/RH sensor with a bluish plug end (type3, SHT31/40 sensor) can be replaced by a high precision SHT35 T/RH sensor.
It contains a thermostate triggered heater plate to allow for ultrasonic measurements below 0 C / 32 F with a 12V/1 A power supply. When connected to an external power source, the whole array runs on external power.

The WS90 has a haptic ("piezo") rain detector/counter/gauge which can be calibrated in five different tiers depending on rain rate.
Until October 2023 the rain readings, especially at low and very low rain rates (tier 1 and 2), show a non-linear behaviour which is still to be improved by an optimized characteristic line (-> firmware). Otherwise the linear tier calibration will not properly compensate its over- or underreadings observed so far.

Therefore, for high accuracy, an additional WH40 rain gauge with a 3D printed rim height extension (https://www.wxforum.net/index.php?topic=44074) is recommended. The WS90 rain readings can be shown synoptically with the WH40 readings in the WS View Plus app (with a GW1x00/GW2000/WN19x0 console) and in the Ecowitt cloud dashboard (ecowitt.net).


WH24 - "the boat" - outdoor array legacy model
sampling interval 16 seconds,  however only the last 8 seconds are measured; sampling rate:  1 Hz, gust: highest wind value of the past 8 samplings

wind measurements by the different outdoor array anemometers
to be completed
a) general
there are five important terms in the context of wind readings/measurements for Ecowitt anemometers
1. sampling rate (how often a measurement is made inside the sampling interval, as for Ecowitt 1 Hz = one per second)
2. sampling interval (time in which the sampling takes place before a result is transmitted)
3. transmission interval (as a rule the same as sampling interval for current wind speed and direction - between 2 and 48 seconds)
4. definition of gust (highest wind speed within the past 28 seconds)
5. transmission value (the last value in the sampling interval = transmitted wind speed, gust and direction)

WN67:            sampling interval 48 seconds,  sampling rate:  1 Hz, gust: highest wind value of the past 16 samplings
WS65/WS69: sampling interval 16 seconds,  sampling rate:  1 Hz, gust: highest wind value of the past 16 samplings
WS68:            sampling interval 16 seconds,  sampling rate:   1 Hz, gust: highest wind value of the past 16 samplings
WS80:            sampling interval 4.75 seconds, sampling rate: variable, gust: highest wind value in the past 28 seconds
details:
when max wind speed in the past 4 seconds is >= 5 m/s, the sampling rate is 1 Hz
when max wind speed in the past 4 seconds is >=3 m/s and < 5 m/s, the sampling rate is 2 Hz
when max wind speed in the past 4 seconds is < 3 m/s, the sampling rate is 4 Hz
WS90:            sampling interval 8.8 seconds,  sampling rate:  2 Hz, gust: highest wind value in the past 28 seconds

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