ESP8266 Matrix Clock (Main control board PCB (2 of 2))———ESP8266 Excellent Project
Main features:✍️✍️?️
ESP-12S as the main control, less peripheral circuits
DS3231MZ+ clock chip, accurate offline time (it seemed to be around 5RMB when I bought it, but now I don’t know how much it will cost)
MAX7219 drive dot matrix LED
Use small dot matrix LEDs, you can directly go to sex
The serial port uses a small package CH340N does not support automatic download, you can use CH330N instead
?Special note: The original author of this article is leoloel
Tagged: