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

DIP IC Socket 2x12 24P Screw Machine Round hole pin 2.54x15.24mm 0.1"x0.6"

yes, thank you.. very much

do you have to cut the LDD pins down or will they fit right in?


oh would anyone oblige me, if they have bookmarked a link to them on mouser, there's a zillion on there, and can't decipher them...
 
I just finished up modifying the above 10V Analog/5V PWM dimmer to act as a manual dimmer. This dimmer should work for just about any Led driver that accepts a 5V PWM signal. Now you'll be able to adjust the output current of your LDD's "the old fashioned way", by turning a knob! LOL

Here's a picture of the PcB design-

Manual5VPWMdimmingmodule_zpsfbe0ed88.png


I'll post the build files and software needed- if there's any interest.

O2 do you have some extra board for sale?
 
World's stupidest question, where does everyone get their R1206 10k resistors... I'm having a hard time with this one. Also how do you solder these on?

^ Solder noob ... :confused:
 
Ho.......Hol........Hold on a minute there. The last two designs were "special requests", and nobody asked for anything more complex than what I came up with.LOL If I were to go back into EAGLE and add a full blown ARDUINO to the mix, would that make you happy? Don't tease me, cuz I'll do it! LoL.:lol2:

Do it!
 
o2 how many volts is that chipled ?

The Vf of the chip led varies, depending on which color you choose, but it doesn't ultimately matter. A "green" chip led only gets about 1 ma of current after the 12 volts is dropped across the 10k ohm resistor, so the "Power indicator" doesn't waste any real power.
 
DC-DC Board

DC-DC Board

O2,
I have been monitoring your latest 4-up LDD Project. My build has 72 cree LEDs and possibly more, moon lights, different colors, etc. I have 5 LDD-1000Hs to drive the 72 and would use another LDD-? to drive any other LEDs I might add. My question is are there any plans to expand the design to a six-up PCB? If not I could go with one of the previous 6-up boards. Thanks,
Clif
 
O2,
I have been monitoring your latest 4-up LDD Project. My build has 72 cree LEDs and possibly more, moon lights, different colors, etc. I have 5 LDD-1000Hs to drive the 72 and would use another LDD-? to drive any other LEDs I might add. My question is are there any plans to expand the design to a six-up PCB? If not I could go with one of the previous 6-up boards. Thanks,
Clif

just use two boards. you'll have slots to expand in the future.
 
Meanwell LDD driver: for those who want to dim to 0 using Arduino

What power supply is connected to the LDD? That is exactly what I want to do in my next DIY setup.
1.jpg
2.jpg
3.jpg
4.jpg
5.jpg

Just get a regulated supply for the amount of voltage and current you need . I am using a 24 volt 5 amp table top supply for mine. My LED strings are just 6 per driver.
 
Can anyone comment on the smoothness of the analog 0-10v to PWM converter when using the Apex? The new controller from Coralux does 12-bit so 4096 levels of dimming compared to 256 with 8 bit. I'm still in the planning stages of this build but trying to avoid doing things twice.

I'm currently torn between buying an Apex VDM and using a converter, or buying an independent Arduino Controller.

If you had an hour fade, that would be about 4 levels per minute with the converter. I think you would have to pay very close attention to catch that, but looking for hands-on experience.

Don't want to take anything away from all the amazing knowledge on this thread, just looking for opinions, this thread is the best source of DIY LED info on the net.
 
Last edited:
Back
Top