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Open hardware monitor

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Nuget Nuget

Open hardware monitor - is free software that can monitor the temperature sensors, fan speeds, voltages, load and clock speeds of your computer.

This application is based on the "original" openhardwaremonitor project.

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Features

What can it do?

You can see information about devices such as:

  • Motherboards
  • Intel and AMD processors
  • RAM
  • NVIDIA and AMD graphics cards
  • HDD, SSD and NVMe hard drives
  • Network cards
  • Power suppliers
  • Laptop batteries

Additional features

  • Remote web-server mode for browsing data from remote machine with custom port and authentication.
  • Hide/Unhide sensors to remove some data from UI and web server.
  • Multiple Tray icons and Gadget for selected sensor values.
  • Light/Dark themes with auto switching mode.
  • Custom color-themes from external files - You can find examples here
  • Portable mode for storing temporary driver file and settings configuration next to the executable file.
  • Updated versions check - manually from main menu.

Note: Some sensors are only available when running the application as administrator.

UI example with Light/Dark themes

Themes

Download

The recommended way to get the program is BUILD from source

  • Install git, Visual Studio
  • git clone https://github.com/sergiye/openhardwaremonitor.git
  • build

or download build from releases.

Developer information

Integrate the library in own application

  1. Add the OpenHardwareMonitorLib NuGet package to your application.
  2. Use the sample code below or the test console application from here

Sample code

class HardwareInfoProvider : IVisitor, IDisposable {

  private readonly Computer computer;

  public HardwareInfoProvider() {
    computer = new Computer {
      IsCpuEnabled = true,
      IsMemoryEnabled = true,
    };
    computer.Open(false);
  }

  internal float Cpu { get; private set; }
  internal float Memory { get; private set; }

  public void VisitComputer(IComputer computer) => computer.Traverse(this);
  public void VisitHardware(IHardware hardware) => hardware.Update();
  public void VisitSensor(ISensor sensor) { }
  public void VisitParameter(IParameter parameter) { }
  public void Dispose() => computer.Close();

  internal void Refresh() {
    computer.Accept(this);
    var cpuTotal = computer.Hardware.FirstOrDefault(h => h.HardwareType == HardwareType.Cpu)?.Sensors.FirstOrDefault(s => s.SensorType == SensorType.Load && s.Name == "CPU Total");
    Cpu = cpuTotal?.Value ?? -1;

    var memorySensorName = "Physical Memory Available"; //"Virtual Memory Available";
    var memUsed = computer.Hardware.FirstOrDefault(h => h.HardwareType == HardwareType.Memory)?.Sensors.FirstOrDefault(s => s.SensorType == SensorType.Data && s.Name == memorySensorName);
    Memory = (memUsed == null || !memUsed.Value.HasValue) ? -1 : memUsed.Value.Value * 1024; //GB -> MB
  }
}

Administrator rights

Some sensors require administrator privileges to access the data. Restart your IDE with admin privileges, or add an app.manifest file to your project with requestedExecutionLevel on requireAdministrator.

How can I help improve it?

The OpenHardwareMonitor team welcomes feedback and contributions!
You can check if it works properly on your motherboard. For many manufacturers, the way of reading data differs a bit, so if you notice any inaccuracies, please send us a pull request. If you have any suggestions or improvements, don't hesitate to create an issue.

License

OpenHardwareMonitor is free and open source software licensed under MPL 2.0. You can use it for personal and commercial purposes.