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

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