ESPTimeCast Demo
www.youtube.com
ESPTimeCast is a DIY Wi-Fi connected clock and weather station powered by an ESP8266 or ESP32.It automatically syncs the time via NTP, fetches live weather f...
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The original was posted on /r/homeassistant by /u/mfactory_osaka on 2025-11-08 09:11:10+00:00.

Hi everyone, first time posting here ;)

I built ESPTimeCast, a WiFi-connected LED matrix clock and weather station using ESP8266/ESP32 + MAX7219, now with Home Assistant integration!

Features highlighted in the demo video:

  • Connects to WiFi and gets an IP for Web UI access
  • Time + Day of the Week, Date
  • Temperature from OpenWeatherMap
  • Dramatic Countdown
  • Nightscout glucose monitoring
  • Custom scrolling messages via Web UI
  • Home Assistant messages: temporary notifications that appear over your persistent display message (perfect for alerts like door open, mail delivered, rain starting)

Everything is configurable through the built-in Web UI - no need to touch the code once it’s on your network.

Project + source: https://github.com/mfactory-osaka/ESPTimeCast

Feedback and suggestions for smart home alerts and custom display messages are welcome!