An IoT clock based on WIFI module ESP-C3-12F-2M

An IoT clock made with WIFI module ESP-C3-12F-2M can realize automatic clock synchronization through WeChat distribution network. The time can also be adjusted manually. Function key introduction: (1) KEY1 function key: 1. Press and hold for 2~4 seconds to manually adjust the time: the digital tube starts to flash, release the switch to enter the setting time mode 2. Press and hold for 5~7 seconds to enter network time calibration: "E" and time are displayed alternately. Release the switch to enter network time calibration. All digital tubes display "E" until the calibration is successful. 3. Press and hold for 10~13 seconds to enter the network distribution mode: "P" and time are displayed alternately. Release the switch. Turn on the switch to enter the network distribution mode, and all the digital tubes will display "P" until the network distribution is successful (2) KEY2 function key: The "minus" setting of time adjustment can only be used during manual network distribution (3) KEY3 function key: Time The "Add" setting of adjustment can only be used when manually distributing the network. (4) Distribution method: Follow the "Anxinke Technology" WeChat official account and enter the official account, click "Application Development"---->"WeChat Distribution Network ”---->Enter the wireless network password to learn about the schematic and PCB tutorials. You can go to bilibili and follow Lichuang’s official account to view and learn.