ESPHome config to control a Btbsign Led Countdown Clock. Used in the play Your're Too Cute To Be An Astronaut.
You need to replace the original HC89S003A MCU with an ESP32. This requires desoldering the MCU and wiring up the ESP32 to the clocks SN74HC595 shift registers.
- On/Off
- Brightness
- Set a date and time
- Countdown/Countup/Pause
- Auto-pause (pauses the clock when a specific time is reached)