Introduction - If you have any usage issues, please Google them yourself
This clock uses Xintang N76E003AT single chip as the main control +DS3231MZ clock chip (using Fala capacitance as a battery) +ICN2012 as a line drive, HC595 as a column drive + temperature and humidity sensor SI7021+10K photosensitive resistance + buzzer + five direction rocker (ADC mode)