Circuit close-up

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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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Alarm Tripped 2

Date: 04/24/2006 Views: 2449

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	Resolution Unit	Inch
X Resolution	72 dots per ResolutionUnit	Y Resolution	72 dots per ResolutionUnit
Compression	Jpeg Compression	Subject Distance	0.17

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