89C52+TM7705+LCD1602，two channels，high accuracy.

Firstlif\AT89X55.H
........\ChannelState
........\ChannelState.c
........\ChannelState.hex
........\ChannelState.lnp
........\ChannelState.LST
........\ChannelState.M51
........\ChannelState.OBJ
........\ChannelState.Opt
........\ChannelState.plg
........\ChannelState.Uv2
........\ChannelState_Opt.Bak
........\ChannelState_Uv2.Bak
........\CHANNE~1.Opt
........\CHANNE~1.Uv2
........\CHANNE~1_Opt.Bak
........\CHANNE~1_Uv2.Bak
........\Desktop_1.ini
........\KEIL.DSK
........\KEIL.PRJ
........\queue_error_1
Firstlif

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