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The difference is indeed quite easy to spot. For some reason I see7x660- and 4x630nm- leds, but they're probably better to spot in real life as on a photo. Next step, sampling Leds for a small prototype garden ! Thank you very much.

Hi, Fiddling with electronics/micro-controllers is a hobby of mine and I'm thinking of building my own Led growlight. I (basically) know why different colours are used, I know about narrow bandwidths of LEDs and why it's best to use different colours red and blue. Since I use cfl now and only...

Part 2 of the spaghetti, the schematics. Unfortunately the image is resized by the forum, hope it's still readable.

Remember I've been programming in Basic far too long and hardly had any education in C(++), I hope it's readable without getting a headache :lol: Sofar it works on arduino uno- and the latest 0022-IDE, but I'm still far from satisfied. I'm using an Nano by the way for this project. I'm using...

Hi, I've been "playing" with an arduino for a while, grow on soil and am building a hobby related data-logger. Project is far from ready, I'd guess a zillion sub-projects are possible, emphasis (for me...) should be reliability. I wouldn't want a light/pump to stay on since my program got stuck...

http://www.youtube.com/watch?v=IlRai6lugRE

http://www.youtube.com/watch?v=aMi2mahWAfg

http://www.youtube.com/watch?v=Hw0SOLGB41o

http://www.youtube.com/watch?v=UQNQi1re4tU

http://www.youtube.com/watch?v=JTCPwPKo6NM

http://www.youtube.com/watch?v=5yD9O1g_zjY&ob=av3e

http://www.youtube.com/watch?v=lkdsm7HGh2k

It's a pity, 5 pages of responses and still no hiding places with GPS-locations :-P

I would also think about whether you're planning to get high on your own supply... It can indeed be quite a lucrative business when.... you're a good gardner. Personally...and just looking at myself I wouldn't take out a loan for it though. My harvests are quite good, but once I'm saturated...

http://www.youtube.com/watch?v=d7R7q1lSZfs&ob=av2e

http://www.youtube.com/watch?v=SCZCivLEdJQ

http://www.youtube.com/watch?v=64tktZbEmmQ

http://www.youtube.com/watch?v=IxoxmQ6oYx0

http://www.youtube.com/watch?v=ez-kDq-z8mY

http://www.youtube.com/watch?v=z3wXqyRQZnA