Alarm System

[last updated: 2025-07-15]
Disclaimers
obsolete previous incarnation
...some future link...
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STARTING OVER, ......

• alarm-status door panel
• These are small panels outside whichever doors,
  (initially just the basement door),
  with a red/green LED showing alarm status,
  blinking red = activated, solid green = alarm off
• LED's on this panel are controlled by the ???sensor interface Arduino

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eof