Meanwell LDD driver: for those who want to dim to 0 using Arduino

zachts said:
Just thought I'd share a great deal I just found for anyone who need some 36v 150 watt 4.2 amp PSUs Meanwell CLG-150-36A dirt cheap! found the link in another LED thread. These would be perfect for anyone using LDD-L or even H with lower LED count. Can go up to 41 volt and be adjusted down to 31 volt.

http://www.ebay.com/itm/MEANWELL-CL...673?pt=LH_DefaultDomain_0&hash=item2a3afdbbe9
Click to expand...

Funny,...site says make offer,...I went in at 11.25 as a test and they jumped on it. Don't know how low they'll go. lol
 
They probably only bought them for a few bucks apiece, so anything is making them money :)

They're perfect to pair with the LDD-L - O2, do you have designs for the L?
 
Just bought two more 10 bucks plus includes shipping. Soooo hit then with 8,..no go 8.75,..no 9,...nope that was my last chance. Oh well got 3. yay!
 
jedimasterben said:
They probably only bought them for a few bucks apiece, so anything is making them money :)

They're perfect to pair with the LDD-L - O2, do you have designs for the L?
Click to expand...

there are a few LDD-L boards early in the thread, though now might be a good time for a "how many LDD-Ls can you fit board with SCW and fan control (or perhaps just with terminals for a break out regulator board, but with all the fan controls build in to the LDD-L board)

O2, hears hoping you get board at work soon! :beer:

and if you get really board just mount the stormX hardware on the back with 16 LDD-Ls and a pair of SCWs and fan control on the back......... :beer: :beer: !!
 
That would be badass if I didn't already have this fancy Bluefish controller sitting here ;)

For my main array, I either need 8x LDD-H with 48v input or 13x LDD-L.

For my, uh, secret array, I either need 6x LDD-H or 8x LDD-L.

My cost on LDD is right at the same, either H or L. I need more LDD boards no matter what, so I get to choose now lol.
 
jedi what do you think of the Bluefish? I had a chat with the owner few days back on a different forum was a very nice guy.
 
O2Surplus said:
Check the negative side of your 12V male power jack for continuity to the ground plane of the 6up PcB.If you find continuity- I'm betting the SCW adapter's negative output leg got shorted to ground when you soldered it to the 6up board. The negative lead (led-) should not have any continuity. The SCW adapter uses a transistor to control the connection between the SCW's negative output pin and ground. The transistor makes or breaks the connection based on the presence of a 5V "high" or PWM signal. If there's continuity to ground, the transistor circuit has essentially been bypassed and can longer control the SCW's output. Let me know what you find.
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if i am using a pwm signal to control the fans do i still need to have a 5v "high" signal set?
 
Hey rott,...my new mega, shield, and screen showed today. I downloaded the program,...the main jarduino screen popped right up, but when I tap the screen for some programs, it just cycles right back to the main screen??? Any ideas,...think something is not loaded??---Rick
 
007 make sure you have the right drivers for the touch screen and make sure it is on the Jarduino compatible list from the front of the manual.
 
lol haven't heard that one in a while had to stop using them at work after some found what a ID10T error was
 
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