I just write out, it can be a regular seconds to complete the function, and the use of timers to complete, regular high accuracy and high reliability.

Packet : 111186778定时1秒.rar filelist
定时1秒
定时1秒\定时1秒.ASM
定时1秒\定时1秒.HEX
定时1秒\定时1秒.BIN

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