Added a check to verify the FTDI chip ID before opening the T-Balancer port.

GUI/SensorGadget.cs

@@ -339,7 +339,7 @@ namespace OpenHardwareMonitor.GUI {
         y += pair.Value.Count * sensorLineHeight;
       }
       y += bottomMargin;
-      y = Math.Max(y, topBorder + bottomBorder + 10);
+      y = Math.Max(y, topBorder + hardwareLineHeight + bottomBorder);
       this.Size = new Size(width, y);
     }
 
@@ -399,6 +399,13 @@ namespace OpenHardwareMonitor.GUI {
 
       int x;
       int y = topMargin;
+
+      if (sensors.Count == 0) {
+        x = leftBorder + 1;
+        g.DrawString("Add a sensor ...", smallFont, Brushes.White,
+          new Rectangle(x, y - 1, w - rightBorder - x, 0));
+      }
+
       foreach (KeyValuePair<IHardware, IList<ISensor>> pair in sensors) {
         if (hardwareNames.Value) {
           if (y > topMargin)

Hardware/TBalancer/FTD2XX.cs

@@ -41,11 +41,11 @@ using System.Runtime.InteropServices;
 namespace OpenHardwareMonitor.Hardware.TBalancer {
 
   internal enum FT_DEVICE : uint {
-    FT_DEVICE_BM,
-    FT_DEVICE_AM,
+    FT_DEVICE_232BM,
+    FT_DEVICE_232AM,
     FT_DEVICE_100AX,
     FT_DEVICE_UNKNOWN,
-    FT_DEVICE_2232,
+    FT_DEVICE_2232C,
     FT_DEVICE_232R,
     FT_DEVICE_2232H,
     FT_DEVICE_4232H

Hardware/TBalancer/TBalancerGroup.cs

@@ -63,7 +63,15 @@ namespace OpenHardwareMonitor.Hardware.TBalancer {
       for (int i = 0; i < numDevices; i++) {
         report.Append("Device Index: ");
         report.AppendLine(i.ToString(CultureInfo.InvariantCulture));
-        
+        report.Append("Device Type: ");
+        report.AppendLine(info[i].Type.ToString());
+
+        // the T-Balancer always uses an FT232BM
+        if (info[i].Type != FT_DEVICE.FT_DEVICE_232BM) {
+          report.AppendLine("Status: Wrong device type");
+          continue;
+        }
+
         FT_HANDLE handle;
         FT_STATUS status;
         status = FTD2XX.FT_Open(i, out handle);