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hi,
I have some problems regarding parallel port.
I had write a program regarding using javax.comm to send data to another device.
The program is error free but i could not send data out.
I had place an led at pin 2 to ground and the led isn't light up.
What should i do ,Pin 1 is light up when i connect it to the ground.
I am using LPT1.Please help me.Thank you.
 
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