ok I guess pack function in perl works for me :).. @input=(0x04,0x0e,0x04,0x01,0x03,0x0c,0x00); $ascii = pack("C*", @input); print "the value is $ascii"; $PortObj->write($ascii)|| die "Can't write to $PortName: $^E\n";; Thanks, -USER2829

In reply to Re^2: How to Format Serial Port Output Format by user2829
in thread How to Format Serial Port Output Format by user2829

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