I found a cool video by Chris Riley.
In this video, he explains and builds a Wifi Printer Monitor for Octoprint, based on 3D PRINTER MONITOR WEMOS D1 MINI ESP8266.
I liked this idea, ordered the ESP8266 and the display and build up my own. It can be used anywhere at home where I have a wifi-connection. You only need USB-Power!
That's a very cool project and it looks like a lot of fun. 
im trying to do this and getting this error
Arduino: 1.8.12 (Windows Store 1.8.33.0) (Windows 10), Board: "WEMOS D1 mini, 160 MHz, 80MHz, DIO, 115200, 1M (256K SPIFFS)"
In file included from sketch\Settings.h:48:0,
from C:\Users\Aaron\Desktop\Printer monitor\printer-monitor-master\printermonitor\printermonitor.ino:31:
OctoPrintClient.h:30:20: fatal error: base64.h: No such file or directory
#include <base64.h>
^
compilation terminated.
exit status 1
base64.h: No such file or directory
This report would have more information with
"Show verbose output during compilation"
option enabled in File -> Preferences.
Windows is case-insensitive but sometimes a particular different shell might be case-sensitive. You might try a dir /s base64.h to verify the capitalization of the filename. It might be Base64.h or something as simple as that.