control with 8,051 police have used examples of P1.0 1KHz and 500Hz output audio signal Flooding dynamic loudspeakers for alarm signal, a request KHz signal ring for 100 ms, 500Hz signal ring for 200 ms. alternating, then a switch P1.7 control, a switch off the alarm signal, when the switch disconnected warning signal to stop, write procedures.

Packet : 19854801warring.rar filelist
200512859965000.JPG
200512860041000.JPG
new_page_1.htm

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