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Alex
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You can rig a little red LED on the door. You will need to dismantle the lock, which is easy, by taking out the two screws. Mount a battery, and micro switch within the cavity. Position the switch so it turns off when the lock is engaged. Drill a small hole to insert the LED so it will be visible from the desired direction. Flashing LEDs are also available, too!

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You can rig a little red LED on the door. You will need to dismantle the lock, which is easy, by taking out the two screws. Mount a battery, and micro switch within the cavity. Position the switch so it turns off when the lock is engaged. Drill a small hole to insert the LED so it will be visible from the desired direction. Flashing LEDs are also available, too!

enter image description here

You can rig a little red LED on the door. You will need to dismantle the lock, which is easy, by taking out the two screws. Mount a battery, and micro switch within the cavity. Position the switch so it turns off when the lock is engaged. Drill a small hole to insert the LED so it will be visible from the desired direction. Flashing LEDs are also available, too!

enter image description here

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subjectivist
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You can rig a little red LED on the door. You will need to dismantle the lock, which is easy, by taking out the two screws. Mount a battery, and micro switch within the cavity. Position the switch so it turns off when the lock is engaged. Drill a small hole to insert the LED so it will be visible from the desired direction. If necessary, construct a simple circuit so the LED will flashFlashing LEDs are also available, too!

enter image description here

You can rig a little red LED on the door. You will need to dismantle the lock, which is easy, by taking out the two screws. Mount a battery, and micro switch within the cavity. Position the switch so it turns off when the lock is engaged. Drill a small hole to insert the LED so it will be visible from the desired direction. If necessary, construct a simple circuit so the LED will flash, too!

enter image description here

You can rig a little red LED on the door. You will need to dismantle the lock, which is easy, by taking out the two screws. Mount a battery, and micro switch within the cavity. Position the switch so it turns off when the lock is engaged. Drill a small hole to insert the LED so it will be visible from the desired direction. Flashing LEDs are also available, too!

enter image description here

Source Link
subjectivist
  • 3.5k
  • 1
  • 14
  • 27

You can rig a little red LED on the door. You will need to dismantle the lock, which is easy, by taking out the two screws. Mount a battery, and micro switch within the cavity. Position the switch so it turns off when the lock is engaged. Drill a small hole to insert the LED so it will be visible from the desired direction. If necessary, construct a simple circuit so the LED will flash, too!

enter image description here