Just released the code for the Pi-hole Monitor. It uses a Wemos D1 Mini (ESP8266) and a 0.96" SSD1306 OLED display.
You can now have a little desk clock that scrolls between Pi-hole statistics.
Source Code: GitHub - Qrome/Pi-hole-Monitor: ESP8266 and OLED Pi-hole Monitor
3D Printed Parts: https://www.thingiverse.com/thing:3573903