Any recommendation on drivers for 10 watt multis?
The 1.88A constant current is too much for 3W or 10W LEDs.
DC Forward Voltage (VF): DC 9V-11V
DC Forward Current (IF): 1A
I'm thinking of 4 each for a total of 12 white. 12 royal blue and 8 blue, 6 5watt uv, and 6 rgb 10 watts. But why the 40 instead of the 90? I figure #1 channel for the whites, #2 for blues, #3 for misc colors.
Lpf is dimmible. Which is what I am currently doing for my 3 watt chips. I would like to continue to dim so that I fine tune for my corals. I thought about the ldd's but would need some type of controller to dim them. I'm working with a "family", diy build as I go budget.
You can put a lot of LDD's on one PWM channel (at least 10).Ok. I've checked online. With 7 drivers. That's more than the number of channels that the Typhon has. So would I be able to combine some strings? Or would it be better to get the Coralux storm with 16 channels? Also, would it possible to run the 1000H ldds and under drive the lights, meaning never run at 100%?
Also, running multiple boards to get the desired number of channels?
Actually all you need is one of those cheap "strip" dimmers (under $5 from China).I would add - knocking together a pot' based dimmer for the LDDs is very cheap and easy just need a pot' for each channel you want to independently alter, an arduino, a small box to put it in, a few bits of wire and a 5 - 12V PSU (ie USB or phone charger or owt like that)...
So if you just use a pot' on the LPFs it would be cheap and easy to get the same functionality for LDDs and I would say that sort of design is more flexible
You can also use a 555-based pwm signal generator, about $5 on eBay to dim.
This is a nano 555 signal generator module that is able to create square waves in different duty cycles patterns from 4%-96% with selectable frequency from 0.6 to 640kHZ.
I prefer my way - not because I think it's better, just more my home territory, if you see what I mean. Arduino, line of code or two for the dimming and a pot' All stuff I have and stuff I (just about!) know what im doing with!Actually all you need is one of those cheap "strip" dimmers (under $5 from China).
Just solder a wire from the gate of the internal MOSFET (5V PWM) and attach to the LDD PWM.
Need to power it of course (listed as 12-24V but will take less, personally used 9v) and "common" the neutral line..
Can't guarantee this "always' works.. Never got a good check on both the PWM frequency (appears to be around 900mH) nor gate voltage (appears to be 5) or Chinese changes..
But both these and the modified TC-420 worked for me..