I once had lofty dreams of a unified calander display mounted to a wall for the family to use...I think that dream died somewhere...just don't know where.

This thing is in great condition and comes with Raspberry Pi OS preinstalled

Quad-Core Broadcom BCM2837 64bit ARMv8 processor 1.2GHz 1GB RAM BCM43143 WiFi on board Bluetooth Low Energy (BLE) on board Power source up to 2.5 Amps

What is currently a paper weight can be your next big project.