If you’ve got an old black and white TV, it’s probably not useful for much. There are precious few analog broadcasters left ...
One easy way to make a very accurate clock is with a WiFi-enabled microcontroller like an ESP32 and a display: set up NTP, ...
My initial goal was to have a remote display that would show multiple kind of information and run reliably 24/7. Can be connected to the local network via WiFi and controlled via REST API or Websocket ...