Should I Use Phototransistors or Photodiodes for Sensing?
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点击数:4175
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How Do Those Toilet Flushing Sensors Work?
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点击数:4127
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How Do Those White LEDs Work?
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点击数:4041
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Can I Increase LED Brightness by Using Pulsed Operation?
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点击数:4203
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How can I compare the output of IR LEDs
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点击数:4147
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what is an LED?
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点击数:4114
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what color of light can LED emit?
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点击数:3993
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Can LEDs be used to replace conventional incandescent and florescent light bulbs?
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点击数:4148
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what are the advantages of LEDs compared with conventional incandescent lights?
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点击数:4044
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could you give more detailed explanations about these LED advantages?
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点击数:3808
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