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Change color of RGB led strip over MQTT?

augusthalverson last edited by

I was wondering how you change the color of RGB LED strips over MQTT with a raspberry pi gateway. Thanks in advance
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mfalkvidd Mod last edited by @augusthalverson

Hi and welcome to the MySensors community @augusthalverson !

In general, you just set the color in your controller. It works the same way regardless of which type of gateway you are using, so there is nothing specific about mqtt.

You might be able to get some inspiration from https://forum.mysensors.org/topic/4934/wall-mounted-mood-light-v2
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I really don't think this is a sitemap issue. I don't know the language well enough to speak of this but the error I am getting is [ERROR] [o.u.i.items.ItemUIRegistryImpl:411 ] - Cannot retrieve item 'itm_office_mqtt_motion_switch' for widget org.openhab.model.sitemap.Switch This makes me think it is an item issue not a sitemap issue. I captured this startup information from the log file: [DEBUG] [.b.mqtt.internal.MqttActivator:34 ] - MQTT binding has been started. [DEBUG] [i.internal.GenericItemProvider:334 ] - Start processing binding configuration of Item 'itm_office_mqtt_string (Type=NumberItem, State=Uninitialized)' with 'MqttGenericBindingProvider' reader. [DEBUG] [b.mqtt.internal.MqttItemConfig:71 ] - Loaded MQTT config for item 'itm_office_mqtt_string' : 1 subscribers, 0 publishers [DEBUG] [o.i.t.m.i.MqttBrokerConnection:476 ] - Starting message consumer for broker 'officepi' on topic 'office_string' [DEBUG] [m.internal.MqttEventBusBinding:61 ] - MQTT: Activating event bus binding. It shows the process for binding the itm_office_mqtt_string Item, but there is no mention of the binding of the itm_office_mqtt_motion_switch Item. Should there be? If so, anyone know why it might not be there? As I said above, when I comment out the itm_office_mqtt_string Item in the items file, OpenHab refreshes (see below) and allows the itm_office_mqtt_motion_switch Switch Item to function. [INFO ] [c.internal.ModelRepositoryImpl:97 ] - Refreshing model 'mini.items' [DEBUG] [i.internal.GenericItemProvider:154 ] - Processing binding configs for items from model 'mini.items' [DEBUG] [m.i.MqttGenericBindingProvider:73 ] - Removing message consumers for item itm_office_mqtt_string [DEBUG] [o.i.t.m.i.MqttBrokerConnection:505 ] - Unsubscribing message consumer for topic 'office_string' from broker 'officepi' [DEBUG] [m.i.MqttGenericBindingProvider:106 ] - Removing message publishers for item itm_office_mqtt_string [DEBUG] [b.mqtt.internal.MqttItemConfig:71 ] - Loaded MQTT config for item 'itm_office_mqtt_motion_switch' : 1 subscribers, 0 publishers [DEBUG] [o.i.t.m.i.MqttBrokerConnection:476 ] - Starting message consumer for broker 'officepi' on topic 'office_motion' [DEBUG] [i.internal.GenericItemProvider:133 ] - Read items from model 'mini.items' The sitemap works when the item can be retrieved, but I don't know why only one item is being retrieved, not both.
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@UglyKidJoe I have been using OpenHAB and MQTT for a number of years now. The reason for using MQTT and not just a serial connection from the MySensors GW is partly the flexibility as many have stated previously here. Easy to test, using e.g. the mqtt.fx tool. If you want to know what is going on you simply connect to the MQTT stream and "snoop" on the messages. Another reason is that I am running three geographical sites on one OH installation. OH is running on a NUC at my home. There is also an MQTT GW here. Two other My Sensors MQTT-GW are running remotely in two summer houses. The three GW connect over internet to a cloud-based MQTT broker and OH connects to the same broker. In that way I do not have to open any ports into my home network for access should I have had a local MQTT-broker at home.
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@Beeblebrox666 you can use them just like any other strip, with the limitation that not all leds can be controlled individually.
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I have tried this on my test system and i get the same results as you using the VAR1 -- VAR5 with the cover (RollerShutter) thing. However if you add CustomSensor thing to your node then using the VAR1-VAR5 work as expected with the mapping. With numbers to and from the node. things cover Mock_Cover [nodeId=254, childId=6 ] text Mock_info [nodeId=254, childId=7 ] Items Rollershutter Mock_Cover_State "Mock Cover State [%s]" <rollershutter> (test254) { channel = "mysensors:cover:gatewayWIFI3:Mock_Cover:cover" } Number Mock_Info_Var1 "Mock Info Variable 1 (number) [%s]" (test254) { channel = "mysensors:text:gatewayWIFI3:Mock_Info:var1" } String Mock_Info_Var1s "Mock Info Variable 1 (string) [%s]" (test254) { channel = "mysensors:text:gatewayWIFI3:Mock_Info:var1" } Number Mock_Info_Var1m "Mock Info Variable 1 (number) [MAP(curtains.map):%s]" (test254) { channel = "mysensors:text:gatewayWIFI3:Mock_Info:var1" } String Mock_Info_Var1sm "Mock Info Variable 1 (string map) [%s]" (test254) { channel="mysensors:text:gatewayWIFI3:Mock_Info:var1" [profile="transform:MAP", function="curtains.map"] } Number Mock_Info_Var2 "Mock Info Variable 2 (number) [%s]" (test254) { channel = "mysensors:text:gatewayWIFI3:Mock_Info:var2" } Number Mock_Info_Var3 "Mock Info Variable 3 (number) [%s]" (test254) { channel = "mysensors:text:gatewayWIFI3:Mock_Info:var3" } Number Mock_Info_Var4 "Mock Info Variable 4 (number) [%s]" (test254) { channel = "mysensors:text:gatewayWIFI3:Mock_Info:var4" } Number Mock_Info_Var5 "Mock Info Variable 5 (number) [%s]" (test254) { channel = "mysensors:text:gatewayWIFI3:Mock_Info:var5" } Node #define CHILD_ID_COVER 6 #define CHILD_ID_CUSTOM 7 present(CHILD_ID_COVER, S_COVER, "Roller Shutters"); present(CHILD_ID_CUSTOM, S_CUSTOM, "Reasons"); Or you if you want to send strings you could use String Mock_Info_Text "Mock Info text sting [%s] " (test254) { channel = "mysensors:text:gatewayWIFI3:Mock_Info:text" }
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@yoshida I'm not sure... Maybe
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@DirkB19 Think you will get another advantage by changing as well - must be a lot easier to monitor the MQTT messages when topic clearly shows the difference.

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