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Description of the open/closed door sensor
sensor
Updated Nov 18, 2010 by eduardo....@gmail.com

Door Sensor

The door sensor is made of - wires - 2 contacts One wire should be connected to the ground and the other to an INPUT port. To know whether the door is open or closed, poll the INPUT port.

  • HIGH - open (a pull-up resistor at the port is necessary)
  • LOW - closed

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