Published:2011/4/6 20:50:00 Author:muriel | Keyword: Buick , ABS serial Data, BCM and PCM instrument
Figure Buick ABS serial Data、BCM and PCM instrument circuit diagram
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Published:2011/4/1 21:01:00 Author:Rebekka | Keyword: Voltage table head
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Published:2011/4/1 21:13:00 Author:Rebekka | Keyword: Photosensitive resistance , parameter table
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Published:2011/4/1 20:59:00 Author:Rebekka | Keyword: Internal principle
SB0012 is a pecial ultrasonic ranging integrated circuit.
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Published:2011/4/1 20:23:00 Author:Rebekka | Keyword: ranging circuit
Composed of LMl812 0 ~ 6m ranging circuit diagram is shown as below.
Composed of LMl812 0 ~ 6m ranging circuit. Its send and receive were acted as the same ultrasonic transducer. The working frequency is 40kHz.
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Published:2011/4/2 0:50:00 Author:Rebekka | Keyword: ultrasonic vehicle anti-collision
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Published:2011/4/2 0:47:00 Author:Rebekka | Keyword: Ultrasonic remote control fan , speed control with birdsong
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Published:2011/4/1 23:06:00 Author:Rebekka | Keyword: Ultrasonic remote control fan, speed regulation , music accompaniment
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Published:2011/4/1 23:03:00 Author:Rebekka | Keyword: Ultrasonic remote control fan , variable speed with sound waves
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Published:2011/4/1 22:58:00 Author:Rebekka | Keyword: Ultrasonic remote control fan , variable speed with sound waves
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Published:2011/3/24 21:42:00 Author:Nicole | Keyword: switching power supply
This is a buck chopped wave switching power supply circuit diagram. When the switching element VT is controlled as saturated conduction, the energy is stored in inductor L and capacitor C, and also is fed to the load. When the switching element VT is controlled as cut-off state, the energy stored in inductor and capacitor continue to supply the load, the diode VD constitute a current loop. Because of the switching element VT in series with the load resistor RL, so it is called series switching power supply.
Chopped wave switching power supply is a DC power supply, can obtain unidirectional square wave from switch circuit, and then can get a different steady DC which is different from the input voltage after filtered. The buck is whether the input voltage Ui is positive or negative, the output voltage Uo is always lower than the input voltage Ui, that is | Uo | ≤ | Ui |.
If the adjustment switching element VT has been conducting, the off-time is zero, then Uo = Ui; if VT has been cut-off, on-time is zero, then Uo = 0V. As the ratio of ton and toff is different, the output voltage Uo is between O ~ Ui.
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Published:2011/4/1 22:59:00 Author:Rebekka | Keyword: Sensitive sound control alarm
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Published:2011/4/2 2:34:00 Author:Rebekka | Keyword: Ultrasound remote switch
Figure(a) is ultrasonic transmitter.Figure(b) is ultrasonic receiver amplification channel decoding circuit. (View)
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Published:2011/4/2 1:20:00 Author:Rebekka | Keyword: Sound control delay, energy-saving switch
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Published:2011/4/2 1:17:00 Author:Rebekka | Keyword: Vegetables and fruit garden , burglar alarm
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Published:2011/4/2 1:14:00 Author:Rebekka | Keyword: Digital ultrasound rangefinder
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Published:2011/4/2 1:09:00 Author:Rebekka | Keyword: With self-lock function, voice-operated transmit
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Published:2011/4/5 20:37:00 Author:muriel | Keyword: Audi, saloon car , information system
Bulb controller、parking lamp、dipped headlight、taillight and stoplight circuit diagram as shown:
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Published:2011/4/2 1:04:00 Author:Rebekka | Keyword: Japanese Murata , ultrasonic piezoelectric transducer, performance table
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Published:2011/4/2 1:01:00 Author:Rebekka | Keyword: Vehicle anti-collision alarm
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