Project Update #1
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Hello Oliver,
Unfortunately I had two major problems in this project. My computer has
been stolen with all the code i had written and the first PCB i ordered
online had some major design flaw. So the project has been kinda stopped.
I have designed a new version of the PCB but it must be checked before
sending it to production. I can send it to you soon.
Best regards
Richard
Le mer. 15 août 2018 à 06:31, Oliver Castle <notifications@github.com> a
écrit :
… Hey Richard,
Great project you have started here. I'm also looking to do something
similar to my Intex spa. Final product would ideally be able to control the
spa remotely maybe using ifttt or something of the like.
Are you still working on this? Have you made any progress since your last
commit?
Thanks.
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Hi Richard, Sorry to hear about your computer. Yes would be really interested in seeing what you come up with. Oliver |
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This is the last version of the board I designed. (eagle files)
There is still some things to check :
1) I'm using a lot of input from the ESP32, i did not check if they can be
used simultaneously (i had some surprise on previous project with the ESP
32)
2) Value for component must be checked.
3) I did not reverse the descaling system.
Thank you for your mail.
Actually you gave me some strenght to get back to work on this project.
I will try to finish the board before the end of august.
Best regards
Richard
2018-08-20 19:34 GMT-04:00 Oliver Castle <notifications@github.com>:
… Hi Richard,
Sorry to hear about your computer.
Yes would be really interested in seeing what you come up with.
Oliver
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--
*Richard Perez*
*Tel : 06 25 68 70 54*
*Importateur Exclusif France*
* & *
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Hi, Regards |
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Hi guys, I have a pet-project for a similar goal to Richards, but reading the bad news, I thought I'd reach out if anyone was interested? Even if it's a stop-gap. Personally it was on hiatus for a while, but decided to pick it back up. But being lazy, I thought I'd check GitHub first and found this project. It takes a different approach, using the display lines for state/control, as I wanted as minimal modification as possible. (Like Richard, mine was in warranty when I started). Four wires - power, data and clock. An ESP8266 sits in parallel to the display board. I'm half tempted to move it to where the main board lives to gain access to a reset pin, so I can clear errors too. |
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Yes, please share. Pictures also of where and how you connected to the
display.
Would love to remotely adjust the Spa,
Les
…On Thu, Jan 31, 2019 at 3:02 PM TinWhisker ***@***.***> wrote:
Hi guys,
I have a pet-project for a similar goal to Richards, but reading the bad
news, I thought I'd reach out if anyone was interested? Even if it's a
stop-gap.
Personally it was on hiatus for a while, but decided to pick it back up.
But being lazy, I thought I'd check GitHub first and found this project.
It takes a different approach, using the display lines for state/control,
as I wanted as minimal modification as possible. (Like Richard, mine was in
warranty when I started).
Four wires - power, data and clock. An ESP8266 sits in parallel to the
display board.
Just revisiting write-back stability, but I'll throw it up on GitHub if
anyone wants a peek.
I'm half tempted to move it to where the main board lives to gain access
to a reset pin, so I can clear errors too.
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@tinwhisker Yes, if we can combine efforts that would be awesome too. @ripleyXLR8 Do you have any thoughts on that? Personally, my main goal is to be able to turn my system on/off / adjust temperatures during certain times of the day (low electrical cost times for example). Thanks! |
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Hi Oliver,
An Arduino or Raspberry Pi would be the way to go and yes running in
tandem. One of the problems I am dealing with is that after a power outage
( I get many), the unit has to be manually turned back on and temp
readjusted. Its located at a Vacation home, so I keep the temp low and
raise it when I get there and have to wait and wait for it to come to
temp. I have played with a Raspberry pi with a water proof temp sensor
to tell me what the temp is remotely, but that is as far as my technical
capabilities . Never bothered to take the control unit apart and hack into
it.
Les
…On Fri, Feb 1, 2019 at 9:13 AM Oliver Castle ***@***.***> wrote:
@tinwhisker <https://github.com/tinwhisker> Yes, if we can combine
efforts that would be awesome too.
I also had the thought of an Arduino running in tandem with the existing
board so we're not removing the current functionality only extending it.
@ripleyXLR8 <https://github.com/ripleyXLR8> Do you have any thoughts on
that?
Personally, my main goal is to be able to turn my system on/off / adjust
temperatures during certain times of the day (low electrical cost times for
example).
Thanks!
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The Pi might be able to do it if you can have decent control over the SPI lines. The ESP on my first go wasn't so happy with SPI abuse, but may try again if I can confirm it's SPI interrupt is separate. Bit-banging is quite CPU intensive, but doesn't need realtime reading - even every 500ms is overkill, just syncing to the data line adds time. Write-back is clever, but fiddly as, from what I remember, the spa clocks a bit through the two 595's, checking the data line for state change (where a button is pulling it up/down), then clocks again. I'll try get a good snapshot of the data line again tomorrow if I can't find my original. |
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Does anyone have a picture of the back of the main board? I can only find component side images. |
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Hi, I am going to go for now in a different direction. As I would like to keep the temp down for weeks at a time, since I only occasionally use the Spa , but rapidly warm it up and not wait 24 hours. I am looking to pair a Camplux 5L 1.32 GPM Outdoor Portable Propane Tankless Water Heater with a 12V circulating pump. Looks like it can heat the Intex up 20 degrees per hour. Just got a deal for a refurbished Camplux direct form the manufacture for under $50. To keep things simple i am going to pair it with a Sonoff TH10 and ds18b20 temp sensor . With out fussing with programming, using the ewelink app and stringify, allow me to set temperature and cycle on and off as need. I have been playing with the TH10/DS18b20 and ewelink app for sometime to monitor a 2nd home and it works perfectly and the pair can be had for $11. So i think I got me a solution. |
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Sounds a bargain @Listwa but how does the running cost compare? I've looked into using diesel heaters, but breaking even was just worth waiting, given I have night rates on my electricity, and the ESP project (I haven't forgotten) to give it some autonomy. |
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Say I normally leave the Intex running at 80 degrees, to bring it to 104,
it takes 24 hours to get to temperature and that in the Summer. So we are
talking on average $2.40, but I have to wait 24 hours. I figure about
2 lb of propane so thats about the same but the point is it will come to
temp in an hour and I dont have to plan a day ahead. As this a vacation
home, i am not there for weeks at a time so I keep the temp at 80. In the
colder season, which I dont use the Spa and put it away, the value prop
would be even better from a cost stand point. If you work out a solution
to remote the units electronics, I will switch to that as it would be more
convenient, but this external heater solution is off the shelf with no
hacking, so its good to go now. Please keep me updated.
…On Sat, Feb 9, 2019 at 1:46 PM TinWhisker ***@***.***> wrote:
Sounds a bargain @Listwa <https://github.com/Listwa> but how does the
running cost compare?
I've looked into using diesel heaters, but breaking even was just worth
waiting, given I have night rates on my electricity, and the ESP project (I
haven't forgotten) to give it some autonomy.
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Hi, Is this still being worked on? I would be very keen to convert my spa over to have wifi control and readouts from it. |
+1 here too. Have the octagonal / 6 person model Intex 28456 with descaling and salt-water chlorinator. I'd prefer a piggy back system that mimics button presses and reads the LED display on the original control panel. All of my wifi home automations run on ESP Home with Home Assistant, so straight integration into that eco-system would be even better.. Just my wish list and willing to pitch in on the yaml programming logic side but not experienced with board / electronics design.. |
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Hello, Check this out : https://github.com/nervalo88/ESP8266_INTEX_SPA |
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Nervalo88. thats exactly what i am trying to do now!!! Do you think that 3.3V or 5V can be pulled directly from the C23403 PC card ( the one with the switches) rather then having to run a wire to the motor card? There is clearly voltage to that board already. Also do you think that the on/off state could be monitored by sampling the Power and Heater LED when it goes high? My challange is I have the C28403 board with me and the rest is at another house, so all I can work on is that board untill I can retireve the rest of the Spa. There is def votage to the board just dont know if its enough to power ESP8266. Thanks |
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Hello, |
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Hi ,
I was thinking that the status of the heating and the on/off can be read
off the base of the LED , the simple LEDS that are simply on or off. So
no need to to decode the numeric REDs. I am just talking about the round
round LED indicators.
Les
…On Fri, Apr 10, 2020 at 2:42 PM Boumshaka ***@***.***> wrote:
Hello,
Yes, this is probably doable as the 5v is available. I choosed to be in
the "base" to get enough space as I use cheap but space consuming modules.
But your challenge will be to grab the statuses (heating? Power?) as those
are muxed through a 74hc595, wich is also used by the microcontroller in
the base to know switches presses... Reading signals on this c28403 might
perturbate the operation. Everything is possible, but I was unsuccessful to
reverse engineer the bus between c28403 and the base. I even used a
separate temperature sensor...
Hope this helps!
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Hi guys Francois |
Hi, I followed this for a while and the found someone on youtube who had nade a board for wifi control. I ended up buying his board rather than coding it myself. |
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I have been in touch with the maker of that youtube video as well and apparently he sells the source code for an extra fee. I am tempted to do that and see if it can be adapted to ESPHome / HA.. |
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https://github.com/YorffoeG/diyscip/
Go and check this project
All you need
…On Sun, 9 Aug 2020 at 18:31, jperquin ***@***.***> wrote:
I have been in touch with the maker of that youtube video as well and
apparently he sells the source code for an extra fee. I am tempted to do
that and see if it can be adapted to ESPHome / HA..
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Brilliant! Thanks guys, I'll check it out. Love this community |
If you want to have less hardware work, then check out this: |
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Thanks Ulrich
Appreciate the feedback!
Cheers
Francois
…On Mon, Aug 10, 2020 at 6:35 PM Ulrich Mai ***@***.***> wrote:
https://github.com/YorffoeG/diyscip/ Go and check this project All you
need
If you want to have less hardware work, then check out this:
https://github.com/UlrichMai/diyscip/blob/support-saltwaterspa/README.md#3-button-push-by-software-no-extra-pcb
You only need a D1 mini, 2 resistors and diode. It is working for me and
@red-gee <https://github.com/red-gee>.
Unfortunately my contribution to this project was was not accepted.
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Has anybody looked at the latest PureSpa detachable controller that can connect to WiFi by itself (and is powered by ESP out of the box)? I am tempted to flash it with Tasmota and create a template for the my Intex 28452 PureSpa. I am just wondering whether anybody else is working on something similar. |
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I also found a repair guide with the description of the PCB - https://intexfaq.ch/wp-content/uploads/2021/02/2021-SSN-Combo-Spa-28462-Control-Base-Repair-Guide.pdf (the guide covers both the pre-2021 and past-2021 boards). |
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According to the repair guide, the heaters are connected slightly different from what @ripleyXLR8 found during their analysis. |
Hey Richard,
Great project you have started here. I'm also looking to do something similar to my Intex spa. Final product would ideally be able to control the spa remotely maybe using ifttt or something of the like.
Are you still working on this? Have you made any progress since your last commit?
Thanks.
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