I am using ThingsBoard CE 3.5.0 and visualizing my sensors (rain gauges and other devices) with the OpenStreetMap Latest Value map widget. I would like to overlay a custom grid on the map, either from ...

I have a Create Alarm node in my rule chain that triggers an alarm if the temperature exceeds the threshold. I would like to know the temperature value in my alarm email. Refer to the JS code in ...

I am creating a widget action to add a new device. I used the example shown in the widget by default, and also on the user guide https://thingsboard.io/docs/user-guide/ui/widget-actions/ I use the ...

I'm running into an issue with ThingsBoard Gateway where one instance works correctly, but a second gateway fails to initialize any connectors. Both are configured similarly and connected to the same ...

I'm developing a C-based MQTT client to act as a data concentrator for a sensor network. The sensors communicate via Zigbee, and I want to publish their data to a ThingsBoard server using the MQTT ...

as topic, possible ? from frontend client side, need know the server side version then handle it with different approach , such requirement might use for build Thingsboard client side SDK . so need it ...

I have a hierarchy widget that broadcasts an event with the node selected. The hierarchy widget is something like this: Group 1 device 1 device 2 device 3 Group 2 device 1 device 2 device 3 The ...

I used html widget to display an image with boxes inside it. I want to create an action to navigate to another state when I press the boxes. I created the action settings, but it did not work. I used ...

I'm currently integrating ThingsBoard with Keycloak for user authentication. Login via the ThingsBoard UI using Keycloak works perfectly. Now, I'm trying to use the ThingsBoard REST API (for example: /...

I am trying to create a grid that repeatedly renders a dashboard state for each device in my devices array in the corresponding slot in my grid. The dashboard state has 1 or more widgets which each ...

I installed Thingsboard server, gateway and a windows machine that is running Yabe room simulator in the same network on separate VMs. The Thingsboard gateway is installed on Ubuntu without docker. (...

I am playing around with Thingsboard Edge and dashboards. I can update dashboards on my main thingsboard instance, and they are synced to the edge instance just fine. But when I have the dashboard ...

In thingsboards Professional Edition I have added some devices by name Grp_Rpc_1 and Grp_Rpc_2 and each of these devices have a Outbound Relation of To, relation type is Contains, From Entity type is ...

I'm working on an indoor positioning project using BLE trackers and beacons. The estimated location of each tracker is determined based on RSSI from the three strongest beacons. I have already ...

var totalTRH = 0; ctx.data.forEach(function(_data) { if (_data.data.length >= 1) { _data.data.forEach(function(value) { totalTRH += parseFloat(value[1]) || 0; }); } }); return ` ...