24小时时钟，可以切换时分和分秒，带有清零，和秒归零-24-hour clock, you can switch the hours and minutes and seconds, with cleared, and zero seconds

一种智能插座的源代码，配合智能插座硬件，一颗实现功率计量控制，远程继电器开关开通和关闭等功能。-A smart socket source code, with the smart socket hardware, a power metering control, remote relay switch on and off functions.