https://github.com/octal-ip/open-hardware-monitor-arduino/tree/master/platform.io

All required configuration to complete the upload and configure the TFT is included in platformio.ini

Additional build flags are included to enable the USB serial port on the STM32.

Connections are below:

Download ohm-arduino-gui.exe and OpenHardwareMonitorLib.dll: https://github.com/octal-ip/open-hardware-monitor-arduino/tree/master/binaries

Note: OpenHardwareMonitorLib.dll must be located in the same directory as ohm-arduino-gui.exe.

Run ohm-arduino-gui.exe, then double-click it's icon in the system tray. Select the serial port your STM32  is using from the drop-down menu at the top of the window. Optionally change the update interval and baud rate to suit your preferences.

If you'd like the app to run at startup, create a shortcut to the ohm-arduino-gui.exe file here:

C:\Users\<username>\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup

Files for a basic holder and lid are available for download in the files section of this project. The STM32 board can be secured in place using a small amount of hot glue.