diff --git a/examples/usecases/thingsboard/main.tf b/examples/usecases/thingsboard/main.tf
index d1d2379..003e14e 100644
--- a/examples/usecases/thingsboard/main.tf
+++ b/examples/usecases/thingsboard/main.tf
@@ -1,3 +1,6 @@
+# This example is a simplified version of the getting started example at: https://thingsboard.io/docs/getting-started-guides/helloworld
+# The tested thingsboard API version is v3.3.3.
+
 terraform {
   required_providers {
     restful = {
@@ -6,30 +9,39 @@ terraform {
   }
 }
 
+// This should be the URL of the thingsbaord-api-proxy (see: https://github.com/magodo/thingsboard-api-proxy), e.g. http://localhost:12345/api
 variable "base_url" {
   type = string
 }
 
-variable "bearer" {
-  type = string
+variable "username" {
+  type    = string
+  default = "tenant@thingsboard.org"
 }
 
-variable "user_id" {
-  type = string
+variable "password" {
+  type    = string
+  default = "tenant"
 }
 
 provider "restful" {
   base_url = var.base_url
   security = {
-    http = {
-      type  = "Bearer"
-      token = var.bearer
+    oauth2 = {
+      token_url = format("%s/auth/login", var.base_url)
+      username  = var.username
+      password  = var.password
     }
   }
 }
 
 data "restful_resource" "user" {
-  id = format("/user/%s", var.user_id)
+  id = "/users"
+  query = {
+    pageSize = [10]
+    page     = [0]
+  }
+  selector = format("data.#(name==%s)", var.username)
 }
 
 resource "restful_resource" "customer" {
@@ -60,7 +72,7 @@ resource "restful_resource" "device_profile" {
       id         = jsondecode(data.restful_resource.user.output).tenantId.id
       entityType = "TENANT"
     }
-    name               = "example"
+    name               = "My Profile"
     description        = "Example device profile"
     type               = "DEFAULT"
     transportType      = "DEFAULT"
@@ -99,12 +111,152 @@ resource "restful_resource" "device" {
       id         = jsondecode(restful_resource.customer.output).id.id
       entityType = "CUSTOMER"
     }
-    name  = "example"
-    type  = "example"
-    label = "Room 234 Sensor"
+    name  = "My Device"
+    label = "Room 123 Sensor"
     deviceProfileId : {
       id         = jsondecode(restful_resource.device_profile.output).id.id
       entityType = "DEVICE_PROFILE"
     }
   })
 }
+
+data "restful_resource" "device_credential" {
+  id = format("%s/credentials", restful_resource.device.id)
+}
+
+resource "random_uuid" "my_device_entity" {}
+resource "random_uuid" "my_device_widget" {}
+
+locals {
+  my_device_entity = {
+    alias = "MyDevice"
+    filter = {
+      resolveMultiple = false
+      singleEntity = {
+        entityType = "DEVICE"
+        id         = jsondecode(restful_resource.device.output).id.id
+      }
+      type = "singleEntity"
+    }
+    id = random_uuid.my_device_entity.id
+  }
+
+  my_device_widget = {
+    bundleAlias = "cards"
+    col         = 0
+    config = {
+      actions         = {}
+      backgroundColor = "#ff5722"
+      color           = "rgba(255, 255, 255, 0.87)"
+      datasources = [
+        {
+          dataKeys = [
+            {
+              _hash    = 0.009193323503694284
+              color    = "#2196f3"
+              label    = "temperature"
+              name     = "temperature"
+              settings = {}
+              type     = "timeseries"
+            },
+          ]
+          entityAliasId = local.my_device_entity.id
+          filterId      = null
+          name          = null
+          type          = "entity"
+        },
+      ]
+      decimals         = 0
+      dropShadow       = true
+      enableFullscreen = true
+      padding          = "16px"
+      settings = {
+        labelPosition = "top"
+      }
+      showLegend = false
+      showTitle  = false
+      timewindow = {
+        realtime = {
+          timewindowMs = 60000
+        }
+      }
+      title = "New Simple card"
+      titleStyle = {
+        fontSize   = "16px"
+        fontWeight = 400
+      }
+      units                  = "°C"
+      useDashboardTimewindow = true
+      widgetStyle            = {}
+    }
+    description  = null
+    id           = random_uuid.my_device_widget.id
+    image        = null
+    isSystemType = true
+    row          = 0
+    sizeX        = 5
+    sizeY        = 3
+    title        = "New widget"
+    type         = "latest"
+    typeAlias    = "simple_card"
+  }
+}
+
+resource "restful_resource" "dashboard" {
+  path      = "/dashboard"
+  name_path = "id.id"
+  body = jsonencode({
+    tenantId = {
+      id         = jsondecode(data.restful_resource.user.output).tenantId.id
+      entityType = "TENANT"
+    }
+    title = "My Dashboard"
+    configuration = {
+      entityAliases = {
+        (local.my_device_entity.id) = local.my_device_entity
+      }
+      filters = {}
+      settings = {
+        showDashboardExport     = true
+        showDashboardTimewindow = true
+        showDashboardsSelect    = true
+        showEntitiesSelect      = true
+        showTitle               = false
+        stateControllerId       = "entity"
+        toolbarAlwaysOpen       = true
+      }
+      states = {
+        default = {
+          layouts = {
+            main = {
+              gridSettings = {
+                backgroundColor    = "#eeeeee"
+                backgroundSizeMode = "100%"
+                columns            = 24
+                margin             = 10
+              }
+              widgets = {
+                (local.my_device_widget.id) = {
+                  col   = 0
+                  row   = 0
+                  sizeX = 5
+                  sizeY = 3
+                }
+              }
+            }
+          }
+          name = "My Dashboard"
+          root = true
+        }
+      }
+      widgets = {
+        (local.my_device_widget.id) = local.my_device_widget
+      }
+    }
+  })
+}
+
+output "device_token" {
+  value     = jsondecode(data.restful_resource.device_credential.output).credentialsId
+  sensitive = true
+}