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Lay-z-Spa Controller Modifications

The blow up hot tub is an amazing thing, it would be even more amazing if we were able to control the pumps/heater more precisely. And WiFi?

taylorTaylor
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I have been dreaming of improving this product for some time. It would benefit from being able to control the circulation pump so that it does not run 24/7. It also times out after a week or so being on. If we were able to reprogram the unit to control these functions and send data to the internet for remote monitoring it would be a huge improvement. I have scoured around to find some people trying to do similar things that are much smarter that I am: http://www.thebmwz3.co.uk/2018/04/lay-z-spa-hottub-controller.htmlAnd this person seems to have started a project but its scope is more narrow: https://hackaday.io/project/1728-hot-tub-remoteSo I thought I would try to collectively work to gather all the available information on those that ha

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mrQ7 wrote 12/08/2018 at 19:04 • point

hi all, i guess you may like my post there https://hackaday.io/project/1728-hot-tub-remote#

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gazza.gwire wrote 10/13/2018 at 13:18 • point

Looks like Andy has taken down his blog page... did you happen to take a copy? I really like this idea.

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Taylor wrote 07/27/2018 at 22:04 • point

Ok, so I have torn down the lay-z-spa control unit and all the other items in the egg shaped pod. My controller fried and seems to just buzz/flash really fast. Not sure if there is a way to reset the electronics but it seems pretty fired. I took everything apart to see if I could isolate the issue with no success. I noticed that all the components seem to be fairly straight forward and could be easily controlled with an Arduino. I am going to plan out the build from here this way. Any input would be appreciated. 

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