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Metal Detector circuit diagram


author:
visits: 95653
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: 46574
Economical Pump Controller circuit diagram


author:
visits: 35655
Everything-that-moves ALARM circuit diagram


author: Thomas Scarborough
visits: 33196
Touch Switch circuit diagram


author: smartkit
visits: 27493
PWM Motor/Light Controller circuit diagram


author: (C) G. Forrest Cook 1999
visits: 22265
DC Motor Reversing Circuit circuit diagram


author: Andy Collinson
visits: 21016
Air Flow Detector circuit diagram


author:
visits: 15288
Capacitive Sensor circuit diagram


author: RED Free Circuit Designs
visits: 14094
Unipolar Stepper Motor Controller circuit diagram


author: R Ward 1998
visits: 13226
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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
other

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