Turn the card over and look at the signature panel. You will find either the entire 16-digit card number OR just the last 4 digits, followed by the 3-digit number. That 3-digit number is your Card ...
If you have a DSC PC1500RK control panel [CaitSith2] shows us ... code goes missing in the future. /* The code is to interface a DSC PC1500RK alarm keypad. It has 15 keys, 11 LEDs, and a Beeper ...
When [Doug] moved into his new house, he found an old alarm panel set up — but it had no ... or triggered. All the code is available on GitHub in case you also have a DSC 1550 alarm system.
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