Write c source program files, use 1602 LCD electronic clock display
Adjust the time with four buttons, respectively, k1, k2, k3, k4, including k1 key choose for function key, click on the adjustment of seconds, according to the adjusted under two minutes, adjusted by three hours, k2 for value added a key, k3 for numerical minus one key, k4 to confirm button,

CodePudding user response:

Timing to see https://blog.csdn.net/xianfajushi/article/details/89448933
Four buttons look https://blog.csdn.net/xianfajushi/article/details/80307175
To find a 1602 my blog wasn't released, to find somewhere else

CodePudding user response:

Thank god, all have direct application?