diff --git a/Controlzmo/Controlzmo.csproj b/Controlzmo/Controlzmo.csproj
index 0e36df7..22c2beb 100644
--- a/Controlzmo/Controlzmo.csproj
+++ b/Controlzmo/Controlzmo.csproj
@@ -31,6 +31,10 @@
     <NoWarn>1701;1702;CA1416</NoWarn>
   </PropertyGroup>
 
+  <Target Name="PreBuild" AfterTargets="PreBuildEvent">
+    <Exec WorkingDirectory="$(ProjectDir)react" Command="npm run build" />
+  </Target>
+
   <Target Name="PostBuild" AfterTargets="PostBuildEvent">
     <Exec Command="xcopy &quot;$(ProjectDir)..\SimConnect.cfg&quot; &quot;$(OutDir)&quot; /Y&#xD;&#xA;xcopy &quot;$(MSFS_SDK)\SimConnect SDK\lib\SimConnect.dll&quot; &quot;$(OutDir)&quot; /Y" />
   </Target>
diff --git a/Controlzmo/Hubs/TestyHub.cs b/Controlzmo/Hubs/TestyHub.cs
new file mode 100644
index 0000000..69f6702
--- /dev/null
+++ b/Controlzmo/Hubs/TestyHub.cs
@@ -0,0 +1,36 @@
+using Lombok.NET;
+using Microsoft.AspNetCore.SignalR;
+using Microsoft.Extensions.DependencyInjection;
+using System;
+using System.Threading.Tasks;
+using System.Timers;
+
+namespace Controlzmo.Hubs
+{
+    [Component]
+    public partial class Ticker : CreateOnStartup {
+        private int count = 0;
+        private readonly IHubContext<TestyHub> hub;
+
+        public Ticker(IServiceProvider sp) {
+            hub = sp.GetRequiredService<IHubContext<TestyHub>>();
+            var timer = new Timer(1000);
+            timer.Elapsed += Tick;
+            timer.Start();
+        }
+
+        private void Tick(object? sender, ElapsedEventArgs args) {
+            hub.Clients.All.SendAsync("ToBrowser", count++, "foo");
+        }
+    }
+
+    [RequiredArgsConstructor]
+    public partial class TestyHub : Hub
+    {
+        public async Task FromBrowser(string a, int b)
+        {
+Console.Error.WriteLine($"Got message from browser with {a} and {b}");
+            await Task.CompletedTask;
+        }
+    }
+}
diff --git a/Controlzmo/Pages/Overhead.cshtml b/Controlzmo/Pages/Overhead.cshtml
deleted file mode 100644
index 36baded..0000000
--- a/Controlzmo/Pages/Overhead.cshtml
+++ /dev/null
@@ -1,25 +0,0 @@
-@page "/overhead"
-@{
-    ViewData["Title"] = "Overhead";
-}
-
-<div id="root"></div>
-
-<script src="~/js/cjs/react.development.js"></script>
-<script src="~/js/cjs/react-dom.development.js"></script>
-<script src="~/js/babel.min.js"></script>
-
-<script type="text/babel">
-    console.log('da start');
-    class Hello extends React.Component{
-      render() {
-        return <p>Hello {this.props.name}</p>;
-      };
-    }
-    console.log('da middle');
-    ReactDOM.render(
-      <Hello name='Overhead World'/>,
-      document.getElementById('root'),
-    );
-    console.log('da end');
-</script>
diff --git a/Controlzmo/Pages/Shared/_Layout.cshtml b/Controlzmo/Pages/Shared/_Layout.cshtml
index b1ae8f7..f299537 100644
--- a/Controlzmo/Pages/Shared/_Layout.cshtml
+++ b/Controlzmo/Pages/Shared/_Layout.cshtml
@@ -17,11 +17,9 @@
     <script src="~/lib/jquery/dist/jquery.min.js"></script>
     <script src="~/lib/bootstrap/dist/js/bootstrap.bundle.min.js"></script>
     <script src="~/js/jqueryui/jquery-ui.js"></script>
-    <script src="~/js/signalr/dist/browser/signalr.js"></script>
-    <script src="~/js/nosleep/NoSleep.js"></script>
+    <script src="~/js/signalr/dist/browser/signalr.min.js"></script>
     <script src="~/js/jquery.toast.min.js"></script>
     <script src="~/js/site.js" asp-append-version="true"></script>
-    <!-- script src="~/js/SpeechRecognition.js" asp-append-version="true"></script -->
 
     @RenderSection("Scripts", required: false)
 </body>
diff --git a/Controlzmo/Pages/Testy.cshtml b/Controlzmo/Pages/Testy.cshtml
new file mode 100644
index 0000000..6aeba33
--- /dev/null
+++ b/Controlzmo/Pages/Testy.cshtml
@@ -0,0 +1,7 @@
+@page "/testy"
+@{
+    ViewData["Title"] = "Testy";
+}
+
+<div id="root" data-mode="testy">To be replaced by React app</div>
+<script type="module" src="~/js/react/bundle.js"></script>
diff --git a/Controlzmo/Startup.cs b/Controlzmo/Startup.cs
index 5ffd24b..3a80345 100644
--- a/Controlzmo/Startup.cs
+++ b/Controlzmo/Startup.cs
@@ -77,6 +77,7 @@ public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
             {
                 endpoints.MapRazorPages();
                 endpoints.MapHub<ControlzmoHub>("/hub/connectzmo");
+                endpoints.MapHub<TestyHub>("/hub/testy");
             });
 
             app.ApplicationServices.GetServices<CreateOnStartup>();
diff --git a/Controlzmo/react/.gitignore b/Controlzmo/react/.gitignore
new file mode 100644
index 0000000..504afef
--- /dev/null
+++ b/Controlzmo/react/.gitignore
@@ -0,0 +1,2 @@
+node_modules/
+package-lock.json
diff --git a/Controlzmo/react/eslint.config.js b/Controlzmo/react/eslint.config.js
new file mode 100644
index 0000000..5e6b472
--- /dev/null
+++ b/Controlzmo/react/eslint.config.js
@@ -0,0 +1,23 @@
+import js from '@eslint/js'
+import globals from 'globals'
+import reactHooks from 'eslint-plugin-react-hooks'
+import reactRefresh from 'eslint-plugin-react-refresh'
+import tseslint from 'typescript-eslint'
+import { defineConfig, globalIgnores } from 'eslint/config'
+
+export default defineConfig([
+  globalIgnores(['dist']),
+  {
+    files: ['**/*.{ts,tsx}'],
+    extends: [
+      js.configs.recommended,
+      tseslint.configs.recommended,
+      reactHooks.configs.flat.recommended,
+      reactRefresh.configs.vite,
+    ],
+    languageOptions: {
+      ecmaVersion: 2020,
+      globals: globals.browser,
+    },
+  },
+])
diff --git a/Controlzmo/react/package.json b/Controlzmo/react/package.json
new file mode 100644
index 0000000..4594597
--- /dev/null
+++ b/Controlzmo/react/package.json
@@ -0,0 +1,31 @@
+{
+  "name": "react",
+  "private": true,
+  "version": "0.0.0",
+  "type": "module",
+  "scripts": {
+    "dev": "vite",
+    "build": "tsc -b && vite build",
+    "lint": "eslint .",
+    "preview": "vite preview"
+  },
+  "dependencies": {
+    "@microsoft/signalr": "^6.0.5",
+    "react": "^19.2.0",
+    "react-dom": "^19.2.0"
+  },
+  "devDependencies": {
+    "@eslint/js": "^9.39.1",
+    "@types/node": "^24.10.1",
+    "@types/react": "^19.2.5",
+    "@types/react-dom": "^19.2.3",
+    "@vitejs/plugin-react": "^5.1.1",
+    "eslint": "^9.39.1",
+    "eslint-plugin-react-hooks": "^7.0.1",
+    "eslint-plugin-react-refresh": "^0.4.24",
+    "globals": "^16.5.0",
+    "typescript": "~5.9.3",
+    "typescript-eslint": "^8.46.4",
+    "vite": "^7.2.4"
+  }
+}
diff --git a/Controlzmo/react/src/Testy.tsx b/Controlzmo/react/src/Testy.tsx
new file mode 100644
index 0000000..6cfdedd
--- /dev/null
+++ b/Controlzmo/react/src/Testy.tsx
@@ -0,0 +1,53 @@
+import { HubConnection, HubConnectionBuilder } from '@microsoft/signalr';
+import { useEffect, useState } from 'react'
+
+// https://stackoverflow.com/a/74603295
+function useLiveUpdates(connectionRef: HubConnection | undefined) {
+    useEffect(() => {
+        if (connectionRef) {
+            try {
+                connectionRef
+                    .start()
+                    .then(() => {
+console.log('started');
+connectionRef.send('FromBrowser', "hello", 666); // If we don't actually trigger it it doesn't seem to get created...
+                    })
+                    .catch((err) => {
+                        console.error('cannot connect', err);
+                    });
+            } catch (error) {
+                console.error('cannot setup', error);
+            }
+        }
+
+        return () => {
+            connectionRef?.stop();
+console.log('stopped');
+        };
+    }, [connectionRef]);
+};
+
+export default function Testy() {
+    const [connectionRef, setConnection] = useState<HubConnection>();
+
+    useEffect(() => {
+        const con = new HubConnectionBuilder()
+            .withUrl('/hub/testy')
+            .withAutomaticReconnect()
+            .build();
+        con.on('ToBrowser', function (a, b) {
+console.log('got message', a, b);
+            con.send('FromBrowser', b, a);
+        });
+        // eslint-disable-next-line react-hooks/set-state-in-effect
+        setConnection(con);
+    }, []);
+
+    useLiveUpdates(connectionRef);
+
+    const [count, setCount] = useState(0);
+    return (
+        <button onClick={() => setCount((count) => count + 1)}>
+            count is {count} - click to increase
+        </button>);
+}
diff --git a/Controlzmo/react/src/main.tsx b/Controlzmo/react/src/main.tsx
new file mode 100644
index 0000000..69bf41d
--- /dev/null
+++ b/Controlzmo/react/src/main.tsx
@@ -0,0 +1,11 @@
+import { StrictMode } from 'react'
+import { createRoot } from 'react-dom/client'
+import Testy from './Testy.tsx'
+
+const root = document.getElementById('root')!;
+const mode = root.dataset.mode!;
+createRoot(root).render(
+    <StrictMode>
+        {mode == 'testy' && <Testy />}
+    </StrictMode>,
+)
diff --git a/Controlzmo/react/tsconfig.app.json b/Controlzmo/react/tsconfig.app.json
new file mode 100644
index 0000000..a9b5a59
--- /dev/null
+++ b/Controlzmo/react/tsconfig.app.json
@@ -0,0 +1,28 @@
+{
+  "compilerOptions": {
+    "tsBuildInfoFile": "./node_modules/.tmp/tsconfig.app.tsbuildinfo",
+    "target": "ES2022",
+    "useDefineForClassFields": true,
+    "lib": ["ES2022", "DOM", "DOM.Iterable"],
+    "module": "ESNext",
+    "types": ["vite/client"],
+    "skipLibCheck": true,
+
+    /* Bundler mode */
+    "moduleResolution": "bundler",
+    "allowImportingTsExtensions": true,
+    "verbatimModuleSyntax": true,
+    "moduleDetection": "force",
+    "noEmit": true,
+    "jsx": "react-jsx",
+
+    /* Linting */
+    "strict": true,
+    "noUnusedLocals": true,
+    "noUnusedParameters": true,
+    "erasableSyntaxOnly": true,
+    "noFallthroughCasesInSwitch": true,
+    "noUncheckedSideEffectImports": true
+  },
+  "include": ["src"]
+}
diff --git a/Controlzmo/react/tsconfig.json b/Controlzmo/react/tsconfig.json
new file mode 100644
index 0000000..67d9d9c
--- /dev/null
+++ b/Controlzmo/react/tsconfig.json
@@ -0,0 +1,6 @@
+{
+  "files": [],
+  "references": [
+    { "path": "./tsconfig.app.json" },
+  ]
+}
diff --git a/Controlzmo/react/vite.config.ts b/Controlzmo/react/vite.config.ts
new file mode 100644
index 0000000..51064df
--- /dev/null
+++ b/Controlzmo/react/vite.config.ts
@@ -0,0 +1,21 @@
+import { defineConfig } from 'vite';
+import plugin from '@vitejs/plugin-react';
+
+// https://vitejs.dev/config/
+export default defineConfig({
+    plugins: [plugin()],
+    server: {
+        port: 58938,
+    },
+    root: 'src/',
+    build: {
+        outDir: '../../wwwroot/js/react',
+        emptyOutDir: true,
+        rollupOptions: {
+            input: 'src/main.tsx',
+            output: {
+                entryFileNames: 'bundle.js',
+            },
+        },
+    },
+})
diff --git a/Controlzmo/wwwroot/js/.gitignore b/Controlzmo/wwwroot/js/.gitignore
new file mode 100644
index 0000000..414594d
--- /dev/null
+++ b/Controlzmo/wwwroot/js/.gitignore
@@ -0,0 +1 @@
+react/