Esp8266 Digital Clock 0.96" OLED display electronic diy

Wifi Network Clock this is a clock based on wifi chip esp8266，the RTC chip is DS3231,2ppm,One minute of error a year,very precise we design a mini webserver in the esp8266,so after you connect the clock by your cellphone,the clock give provide you a html webpage to set and control the clock It provides a basic time function In addition, we designed an alarm clock, cuckoo song, very interesting Power suply:3.7-5v Any phone charger that supports type-c plugs