Reuse your old android device to display sensor values of a Windows PC. A WiFi connection is not required, Remote Panel works even when the device is connected to the PC via USB only. However, an SDK for Remote Panel is provided also. Sensor values are provided by the industry-leading system information tool Aida64 which must be purchased separately.
Get the setup package of Remote Panel 1.16 free of charge and take a look at users' reviews on Droid Informer. The app works flawlessly on Android 2.1 and above. This download is totally safe. Odospace developed this application that lies within the Tools category.