DIY Rotating Digital LED Display Module Alarm Electronic Digital Clock Kit 51 SCM Learning Board 5V DS1302

modname=ckeditormodname=ckeditor Product Introduction Kit Name: Four Position Rotating Electronic Clock Kit PCB board size: Length: 81mm Width: 81mm Working voltage: 5V (can be powered by mobile phone charger, power bank, USB port) Microcontroller program: The program has been burned and installed for direct use Function: This clock kit features automatic brightness adjustment, alternating display of time and temperature, alarm clock, and power-off memory function Key Function Description: There are two touch switches S1 and S2 on the clock, Short press S2 while displaying the time to display the date, press S2 again while displaying the date to display the week, and press S2 again while displaying the week to display the year. S1 is used to display temperature and alarm time. Press S1 once to display temperature, and press S1 again to display alarm time. Simultaneously press and hold S1 and S2 for a short period of time to switch the display mode of the circular LED. There are a total of 6 display modes, and press once to switch one mode in a loop. Press and hold S1 and S2 simultaneously for more than 3 seconds to enter the setting mode, The digital display shows Fu-1 as function 1, with a total of 5 functions: 1. Set time, 2. Set year, month, day, 3. Set alarm time, 4. Set hourly clock. When setting an alarm, the hour bit can be set to 24. When set to 24 and saved, the alarm is turned off. In the setting mode, S1 switches the function number, S2 enters the corresponding function, and after entering the corresponding function, press S1 to increase the number of the flashing segment, and S2 switches to the next segment. After switching to the last segment, press S2 again to save and exit the settings mode.