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Doorknob touch sensor

1. Circuit... 2. The oscillator 3. charge 4. Uncalibrate... 5. The... 6. Door knob... ... 10. Alarm...

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Wired up
 
 

Wired up

Date: 04/24/2006 Views: 2382

Circuit close-up

The door knob alarm circuit close-up. It has been modified to light up an LED instead of buzzing a buzzer. (For photographic purposes.)

Date: 04/24/2006 Owner: Matthew
Full size: 592x400
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Circuit close-up

Photo Properties

summary details
Make Hewlett-Packard Model HP PhotoSmart 318
Aperture Value f/2.8 Color Space sRGB
Exposure Bias Value 0.00 EV Flash No Flash
Focal Length 6.79 mm ISO 100
Metering Mode Center Weighted Average Shutter Speed Value 1/8 sec
Date/Time 04/24/2006 06:48:24 PM
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