Wind Sensing with Cortex

[neilhooper]

Does anybody have any suggestions or knowledge of any hardware that could be interfaced with Cortex / Idranet to measure wind speed, also any thoughts on the actual implementation and interfacing?

- Neil

[chris_j_hunter]

we're looking to put a wind-sensor atop an aerial mast, so are looking, too ...

how about :

http://www.audon.co.uk/weather/vortex.html

https://www.gavazzionline.com/pdf/DWS-V-DAC13.eng.pdf

connected to a pulse-counting digital input ?

[neilhooper]

I've also found this

http://www.emltd.net/products/wind/w...ection-sensors

In addition to reed switch output it also has an option of a 0-10v conversion kit, however, they don't quote any prices so it may not be as economic as the option you've found above.

They also do this

http://www.emltd.net/products/precipitation/arg100

which could also introduce rain sensing into the system.

We might have to talk to Vivian about some extra options for the pulse count meter object.

[chris_j_hunter]

when we looked, we found a few more, but prices were always beyond us ...

rain-sensing, looks tricky to do - a few days ago, we collected about 50mm of rain in our bucket (our manual rain-gauge) in about an hour, and for half that time it was raining just lightly ... ie: most of what we've found couldn't be readily connected to Cortex, and we're not sure any of them could cope with reality !

OTOH, we've got one of these connected into Cortex via a digital input :

http://www.hunterindustries.com/prod...i-clik

(no connection) ... we were surprised by how small it is, quality is v.good, and it seems to work well - it's just on/ off, but can be set to switch on any one of five amounts of rain ... so an option might be to use several of them, to get more detail ...

OTOH, for flood detection, we're using some of these, also connected to Cortex via digital inputs :

http://www.rapidonline.com/Electroni...-Gentech-30818

mounted into the end of some plastic conduit (water-tight seal readily achieved) we've got them dipped into a sump & a tank & find they work well - so an option we're considering is to make a rain-gauge using some more of them & a container, perhaps with a simple solenoid to allow automatically emptying, under Cortex control ...

Chris

[Paul_B]

Another way maybe to use xAP integration to Cortex and then RFXCOM that can pickup and translate radio signals sent by the Oregon Scientific range of weather station products (as well as many other radio based systems). Quite how this would be done in practice I'm not sure but I'm sure Kevin could advise

Paul

[Kevin]

Another way maybe to use xAP integration to Cortex and then RFXCOM that can pickup and translate radio signals sent by the Oregon Scientific range of weather station products (as well as many other radio based systems). Quite how this would be done in practice I'm not sure but I'm sure Kevin could advise

Paul

I have one of the Maplin wireless weather stations ~£50 and I use the excellent (and free) Cumulus software which implements the xAP weather schema. So I have all the information from all the sensors available on xAP. I haven't ever brought this into Cortex as it didn't seem to have much use for such information. I have an outdoor IDRANet temperature sensor so never bothered with temperature. This should all be do-able though via the xAP object as it can extract data from any xAP schema.

RFXCom / xAP is an alternative path.

K

[Karam]

I believe Vivian has both an anemometer and wind vane. The former interfaces using the pulse count feature on digital inputs and corresponding meter object in Cortex. The latter I believe provides an analogue output so this is sensed using a QAI module - you'll find that one of the icons that can be attached to an analogue input is a compass.

[chris_j_hunter]

for USB over distance, how about :

http://www.lindy.co.uk/usb-firewire/...ers-extenders/

we used their Active Pro version, daisy-chained as per :

http://www.lindy.co.uk/12m-usb-2-act...pro/42782.html

Google for best price ...

[Paul_B]

Thanks Chris that gives me some more options. Hope we've given you some ideas on your original questions