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hmm do you have a link to the specs of the controller?

Hey. i see that you are using an atmega microcontroller base to generate PWM to dim the LEDs. The Drivers that you bought for the LED uses a 0-10V analog signal not a PWM signal.

thank you gumbii for pointing this person out so we can avoid. i hope rich will get a super good skimmer soon!

yeah you should check the TDS coming out of the membrane. should be no more than 10. if its over either your membrane is done or your filters are extremely dirty. and your DI stage is really small. you need a really large canister either the 10" or if not the 20"

HA very funny i submit the list last night thanks guys.

1. xxtechxx - x2 2. Rich1p - x1 3. wickedfish - 1 4. toromp-1 5. jeff-1 today is last day. ill submit the list tonight we got total for our 25% off already

1. xxtechxx - x2 2. Rich1p - x1 3. wickedfish - 1 we got total for our 25% off already thanks guys.

hah thanks wickedfish for giving me credit. Hopefully you already got your answer but this is how it works. Meanwell made 2 types of dimmable drivers. 1. is the "D" model which is control with 0-10v DO NOT USE 12V power supplies. 2. is the "P" model which is for PWM "pulse width modulation" In...

wow.. i never seen anything like that before.

alrite we already got 15 people total. we are at 20% mark. just need 5 more people! for 25%

bumppp i got 6 people over at reef central. 1. xxtechxx - x2 2. Rich1p - x1 3. wickedfish - 1

yeah it was weird just like last time. the discount is based on count of people in the group buy. have instructions on how to do a phosphate test? well bought the brs stuff from their group buy and i bought this from last group buy seems to work really well for the price. The amount of...

anyone on this? 1. xxtechxx - x2 2. Rich1p - x1 3. wickedfish - 1

the order is large. each quantity is 20 lbs. if you want i guess you can email them. yeah its 64.99 for 20 lbs without discount.

i have this posted on rc as well so hopefully we do reach 15. wicked fish how many you want?

this is a new carbon group buy im putting together. Last group buy was a great sucessful and i used up all the carbon so i decided to contact them again. Offered us the same deal. ultra premium grade carbon: http://www.jebostore.com/BTG_ultra_p...n_p/upgc20.htm The details of this group buy...

you didnt really fail. what you can do is make a voltage to resistance conversion circuit. here is a link that shows you how to do it: http://www.maxim-ic.com/app-notes/index.mvp/id/3284

O_O guys please becareful when messing with electrical stuff. This is extremely dangerous. not suppose to get shock at all.

how was the pricing?

you can hook up 10 if the wire gauge is large enough. i hooked up 6 drivers to 1 cord.