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^^ see Spreadsheet attachement above^^ If anyone would like help setting up a spread sheet so they can monitor their grow give me a shout... You tell me what you want to record and I'll setup a sheet to grab the data and produce charts from it.

Back online... I'll leave it up for the next 12 hours then I'll disable access...

Setup your output system first... If you achieve negative pressure (tent sides get sucked in) then, yes, provide an inline fan as input... Have you got any climate control in place? More info really - lamp size and type, size of tent?

It will be handy for me when it's implemented - I've got a silent partner in my grow who pays half of everything - I could work out exact electricity costs...

You've got to remember they've probably had this information already for the past 10 years or more - you've just not had access to it... As far as I'm aware the SmartMeter is pretty dumb - it calculates and displays rates locally - I can't see it as a "big data" thing where they capture every...

There's a government program in the UK to roll out new electric "SmartMeters" https://www.smartenergygb.org/en These will allow UK growers to work out exactly how much electricity their grows are drawing and how much it's costing them...

I'm still in the camp that there are far too many variables to compare one grow with another. If one guy runs a 400w, but has a kick ass hydro setup you can't compared that to a 1000w setup in soil being fed miracle grow! None one seems to mention the wattage of their ventilation system -...

My grow is pretty stealth - to get into it I've got to move stuff about - using the camera I can check in from my laptop or phone without hassle.

No problem - they will come back on 6 hours from now...

If you could that would be great!

No matter how you calculate it out, its a very simple way of looking at your yield - how much did your ventilation cost, nutrients, electricity, etc. Most grow houses publish approximate yields per square meter and I guess that's the best guide... You could get anal like me and record lots of...

I think all you can do is compare your own grows - make notes on your setup and measure your yield, then do the same on the next grow...

Because there are far too many variables to work out a consistent gram per watt value it's not very reliable... I grow in 60cm x 60cm tent under 400w.- if I had 120cm x 120cm under 400w I'm positive I'd get a bigger yield. But what if I added CO2, or better ventilation or changed my feeding...

Anyone had any experience of using YawCam - would I better WebCam produce a better stream?

Up and running now...

Using a NO-IP service - it's free, but I just have to refresh the hosting once every 30 days - whois just takes you back to hosting service...

It's Yawcam running on a tiny little Atom powered netbook (about 8 years old!) and it was a HP webcam I had laying around. It's streaming using a "No-IP" service to mask my IP. Yawcam also allows you to capture time lapses - it's been taking a screen shot every hour and storing them in the...

Yeah, the other simple passwords are for ease as access - I'll be removing them now

Light comes back on at 6pm (BST) - that's 3 hours 50 minutes from this post... 12hr light cycle...

Doh! They sleep from 6am to 6pm (British Summer Time) to keep the temperatures down. Yep, UK, but no where near London.