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A motion detector attached to an outdoor, automatic light.
A motion detector attached to an outdoor, automatic light.
A passive infrared detector mounted on circuit board (right), along with photoresistive detector for visible light (left). This is the type most commo
A passive infrared detector mounted on circuit board (right), along with photoresistive detector for visible light (left). This is the type most commonly encountered in household motion sensing devices and is designed to turn on a light only when motion is detected and when the surrounding environment is sufficiently dark.
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Various electronic components, with a 15 cm ruler to scale.
Various electronic components, with a 15 cm ruler to scale.
Various examples of Light-emitting diodes
Various examples of Light-emitting diodes
SMD resistors on the backside of a PCB
SMD resistors on the backside of a PCB
Some different capacitors for electronic equipment
Some different capacitors for electronic equipment