constant current drivers and arduino? - The Planted Tank Forum
 
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post #1 of 5 (permalink) Old 09-25-2015, 07:55 PM Thread Starter
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constant current drivers and arduino?

i bought two constant current drivers that are designed to be hooked up to 12-18 3 watt leds. they are 650 ma each along with corresponding 3 watt leds that are the right ma and volt etc. that part is fine, i could hook them up and series and have them either on or off. I want to hook them up to an arduino r3 uno that i have to control dimming and brightness etc. i'm hoping 36 leds is too much and they need to be dimmed. o2 surplus has a nice program for the arduino.
problem is i don't know if what i got is compatible or how to wire it. or do you have to use a regular power supply and regular led drivers instead of the constant current ones.in the description is says "adopts pwm technology" which is how arduino dims but are they talking about using one of those rotary knob dimmers?
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post #2 of 5 (permalink) Old 09-25-2015, 08:35 PM
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What's the name of the driver?
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post #3 of 5 (permalink) Old 09-25-2015, 09:10 PM
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Driver model will help, but if it has a PWM pin/input, then you would just tie the grounds of the driver and Uno together, and feed it a PWM signal from the Uno.


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post #4 of 5 (permalink) Old 09-25-2015, 09:20 PM Thread Starter
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its a no namer from amazon 12-18 3 watt led driver. there is no pwm pin/inout. just a ac line in and the two lines out for the leds. They are designed to be ran in series to 12-18 3 watt leds. I don't think it will work with an arduino but figured id ask first. fortunately they are cheap and i can probably find another use for them.
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post #5 of 5 (permalink) Old 09-25-2015, 09:49 PM
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Even no name has a some ID like serial number or something. Pictures or link?
If there's no in out and info, you're out of luck.
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