“This digital clock is based on ESP8266 WIFI micro-controller unit. The flavor used for project design and creation is WEMOS D1 mini which is equipped with a ESP-12F (ESP8266), a 5v to 3.3v regulator, a CH340G USB to UART chip and of course a micro usb connector. This module has plenty of I/O pins to connect the LCD display via the one I2C converter and to use few of them for option and command switches.”
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