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how to control an alarm using vb

Hello Madam/Sir,


Please help me, I creating program for the appliances controller using the parallel port, actually the 7 pin are okay or functioning already, but the other one pin for alarm in the last part that you can see now is not functioning… can you give me an idea what function or codes I need to use for the alarm.

The format of my program is like this:

I have Checkbox, timer,
[IMG]progrm[/IMG]
Mar 28 '08 #1
0 744

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