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Metal Detector circuit diagram

visits: 92942
Door Alarm circuit diagram
This circuit emits a beep and/or illuminates a LED when someone touches the door-handle from outside. The alarm will sound until the circuit will be switched-off.

author: RED Free Circuit Designs
visits: 45934
Economical Pump Controller circuit diagram

visits: 34870
Light switch circuit diagram

author: smartkit
visits: 32192
Everything-that-moves ALARM circuit diagram

author: Thomas Scarborough
visits: 31888
Fridge door Alarm circuit diagram

author: RED Free Circuit Designs
visits: 31214
Voice activated switch circuit diagram

author: Motorola
visits: 28892
Touch Switch circuit diagram

author: smartkit
visits: 26812
Temperature-controlled Fan circuit diagram

author: RED Free Circuit Designs
visits: 25696
TRIAC Light Dimmer circuit diagram

visits: 22688
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project categories:
folder Audio (49)
folder Power & high voltage (43)
folder Radio (23)
folder Light & LED (31)
folder Tools & measurement (40)
folder Telephone (18)
folder Automotive (10)
folder Microcontrollers (12)
folder Sensors & control (47)
folder Timers & oscillators (40)
folder Miscellaneous (26)

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project subcategories:
All subcategories
light controlled
temperature controlled
moisture controlled
sound controlled

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