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Connect my existing burglar alarm system

rnollen last edited by rnollen
Hi,

I have an existing alarm system in my house and I want to find out if I can connect my domoticz to it using MySensors?
I have a Texecom R8 burglar system and using the leds keypad. An example picture of my keypad:
https://www.grax.co.uk/Upload/SiteImages/XL/b945b594-4bee-4a42-8c04-dc5baa2f49af.jpg

and an example picture of the Texecom R8 alarm system:
http://www.traderswarehouse.co.uk/index.php/texecom-veritas-r8-plus-control-panel-1

Now, I want to find out if there is a way to connect this to my domoticz using MySensors

I looked a little bit around on the internet and I found this:
http://hackaday.com/2012/07/27/bending-a-home-security-control-panel-to-your-will/

So my questions:
1. Can I use the same procedure on my alarm system?
2. How must I edit the sketch for my alarm system, because my leds and buttons are different?
3. How must I connect the radio to it and what must I edit in the sketch in order to get it working?
Or is it better to just use a relay switch somewhere?

Hope someone can push me in the right direction? Thanks!!
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@OldSurferDude well, the ESP8266 is limited to 4 TCP clients in arduino IDE. This can't be really increased. I did som experiments and you can set it up to 15, but after the 5th client on my web server, I got a freeze. Maybe you got something wrong. #define MY_GATEWAY_MAX_CLIENTS 2 defines how many controllers (eg Home Assistant) can connect to the gateway, not how many sensors/MySensors devices. And yes, you can have multiple TCP gateways in HomeAssistant. I got an NRF24, an RFM95 long range and a RFM95 short range gateway (all based on ESP32) on the same Home Assistant. Regards, Edi
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@mfalkvidd Thank you very much, that's exactly what I was looking for!
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@bgunnarb I like @eiten 's solution for you. Personally, I am not a fan of using cloud/public brokers. Thus I am curious about your system and there is something about it from which I can learn. I would like to understand why you cannot deploy your own mosquitto broker. I see your set up as 3 sensor groups defined by the channel used #define MY_RF24_CHANNEL ChannelOfSensorGroup Each sensor group has some number of sensors and one MQTT GW on ESP8266. On the MQTT side, do you distinguish between gateways by using a different host name? Something like: #define MY_MQTT_PUBLISH_TOPIC_PREFIX "mygateway-nOf3-out" #define MY_MQTT_SUBSCRIBE_TOPIC_PREFIX "mygateway-nOf3-in" #define MY_MQTT_CLIENT_ID "mysensors-nOf3" #define MY_HOSTNAME "ESP8266_MQTT_GW_nOf3" //#define MY_CONTROLLER_IP_ADDRESS 192, 168, 178, 68 #define MY_CONTROLLER_URL_ADDRESS "test.mosquitto.org" #define MY_PORT 1883 I must assume your controller (aka Home Assistant) discriminates between through which gateway the data is to flow by way of the different topic names. If my "something like" is correct, then changing brokers is changing the IPaddress/URL in your gateways and in your controller (though if the controller is Home Assistant, it may be a bother because the device-id's may change which will make a mess of all the work you've done in HA. This is why I like @eiten 's solution.) I hope it's all working for you again. OSD

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