Controling AXA remote 2.0 with KAKU remote

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Controling AXA remote 2.0 with KAKU remote

Postby amigob » Wed Nov 06, 2013 9:52 pm

Hi all

As you can read here I was planning to make a KAKU RF remote receiver that controls my 2 AXE remote windows.
With the use of this document
http://files.domoticaforum.eu/Axa/AXA%2 ... nov_V2.pdf
that I found via this thread viewtopic.php?f=8&t=496&start=30

I now have started development.
First picture
It is connected to the PC via an USB serial cable, To a max232 to convert the RS232 to TTL, and then a MCP2021.
This is almost the same as the MCP2003, except it as an voltage regulator of 5.0v internally that I can uses for the Arduino.
But it was a little bit strange, I couldn't get it to work. because I was sending "status:\r\n" at ones. But When I started typing and directly sending every character it started to work when I don't type to fast :-) ( And I am not that fast :-O.

Second version (first picture) I use a Arduino pro mini 3.3 volt and the same MCP2021. and have a transparent serial to software serial communication.
I used the FTDI with the hardware serial, and connect the MCP2021 to port 3 and 4 for the software serial ( bit banging ).

That one worked pretty quick :-)

Now make a the arduino to type the characters and make some recovery mechanism, because a number of times it didn't work that well.

Bart
Attachments
20131106_163146.jpg
First Try
20131106_163146.jpg (71.54 KiB) Viewed 6417 times
20131106_192308.jpg
Second try
20131106_192308.jpg (65.66 KiB) Viewed 6417 times
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Re: Controling AXA remote 2.0 with KAKU remote

Postby amigob » Sat Nov 09, 2013 12:23 pm

So after combining my Arduino KAKU receiver and the AXA control it didn't build any more.
Softwareserial is not compatible with pinChangeInt. Both use the same interrupt vectors. So I had to
give up my debugging serial port :-) and go to the hardware serial port for talking to the AXA remote 2.0.
Small problem with this is that I need to have a buffer in between the MCP2021 and the atmega328p.

But here a small movie of the progress, open en lose :-)
[youtube]http://www.youtube.com/watch?v=SA0mIqXVUcc&feature=youtu.be[/youtube]

If I get very close to the receiver it stops working, so you see already one time that it fails.

Bart
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nextversion.jpg
next version
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Re: Controling AXA remote 2.0 with KAKU remote

Postby amigob » Sun Nov 10, 2013 10:19 pm

Now the solution is already useful, I can stop the window form opening or closing at any time by pressing on or off again when it is moving.
So now I can control it with FHEM.
Had problems with the receiver, that I fixed no. The problem was that I removed the batteries, and on start of the moment the voltage dropped already 2 volts. The receiver was not liking that at all a lot of noise on the TTL signal. Putting back the batteries killed a lot of problems.

[youtube]http://www.youtube.com/watch?v=W06FLn8vL8U&feature=youtu.be[/youtube]

Next is using a light level control to open it to a specific position :-)

Bart,
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Re: Controling AXA remote 2.0 with KAKU remote

Postby amigob » Sun Jan 12, 2014 11:10 pm

Needed to do some other things that is why it took a little bit longer than I wanted.

But I soldered a first prototype.
I use KAKU dimmer protocol, so 0% is closed, 100% and every thin in between ( off = closed, on = fully open )

AXAremoteRF.jpg
AXAremoteRF.jpg (96.19 KiB) Viewed 6263 times


Testing it now .

Bart,
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Re: Controling AXA remote 2.0 with KAKU remote

Postby driesk » Fri Jan 09, 2015 9:41 pm

Good work Bart,

I would like to control the axa remote with a vera controller via an arduino. I have troubles to connect the axaremote to the mcp2021 and to the arduino. Could you please share the scemetic you use and sketch file you wrote?

Thank you in advance i will post my solution if i can get it working
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Re: Controling AXA remote 2.0 with KAKU remote

Postby Zoefnoef » Fri May 29, 2015 6:47 pm

Hi Driesk,

Did you see the Arduino Shield already for the Axa Remote 2.0 ?.
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HOME LINBUS Shield 5V Version lowres.jpg
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