Can the TC-420 be programmed for a 7 day cycle? - The Planted Tank Forum
 
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post #1 of 5 (permalink) Old 04-02-2018, 07:53 AM Thread Starter
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Can the TC-420 be programmed for a 7 day cycle?

Does anyone know if the TC-420 can be programmed for a 7 day cycle?

I would like my lights to turn on at a later time on the weekend compared with the rest of the week but can not find any information on whether the TC-420 can only do a 24 hour cycle or if it's possible to do a 7 day cycle.

If it is not possible to do a 7 day cycle, does anyone have any recommendations for light controllers that can do a 7 day cycle?

Thank you for your time,

Dave
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post #2 of 5 (permalink) Old 04-04-2018, 07:01 AM
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I've thought about this myself. Only idea I had was to tie the aquarium lighting into homeassistant, I know it's possible in that, but it is a bit more complicated to set up since it's a full blown home automation platform.
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post #3 of 5 (permalink) Old 04-04-2018, 12:02 PM
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It runs off a simple 24 hour cycle. About the only thing you can do is setup different modes (up to 50, I think) and manually scroll through them on the device itself.
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post #4 of 5 (permalink) Old 04-04-2018, 06:22 PM Thread Starter
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Thank you for the replies.

Is the 24 hour cycle limitation due to the TC-420 itself or the software that runs on it?
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post #5 of 5 (permalink) Old 04-05-2018, 10:00 PM
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Software AFAICT...
TC-420 is basically a coded Aduino type microprocessor..
There are the COM connections on board to hack into it ..

There is some info on one of the hacking forums but .............

to be honest.. nobody has a day centric code for tanks that I know of..
You'd probably be better off just using Aduino...

"A man with a watch knows what time it is. A man with two watches is never sure."
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