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Hi all,
I cam on Robot-tank after searching a way to control a multiled chanel Led diy fixture. I am praticing Reef hobby for a while (30 year with long nothing periode). By the past i use arduino for such project....
I have to move from house to appartement next year so i plane a new tank (about 400L).
Marc
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Hi Marc, that's for stopping in and all the best with your upcoming new tank, that should be fun. This would be similar to your Arduino project except it's using the Raspberry Pi and running the open source reef-pi software. I'm guessing your lights use 0-5v PWM, if so it would connect directly to the controller, as it comes it has 8 channels which can be set for 0-5v or 0-10v PWM or analog signal. If you have any questions feel free to ask.
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Hi Marc, wow that is very nice, that's a lot of drivers. :) Those Meanwell LDD's are really nice, I like how low they dim and they seem to last forever. I think you'll be able to manage an Atlas ORP circuit directly from reef-pi as it only outputs one value like their pH circuit. For it you would connect it to the I2C port and in reef-pi set it up the same way as pH, you'll still be able to use the ORP value to control devices and setup a chart for the dashboard. I don't think you'll be able to calibrate it through reef-pi though but you can run the scripts Atlas provides and calibrate it like that. After calibration is complete it's stored on the circuit directly so you won't need to run the script permanently.
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Yeah I like the forum, it also keeps things transparent. I typically reply much quicker with email, I always forget to check the forum until the end of the night like now.
That looks very nice, good job! I get my boards from JLCPCB too, they do a good job.