555 Circuit

The No.1 Warning Lamp Circuit of the Bluebird Car

Published:2011/5/9 2:28:00 Author:Borg | Keyword: Warning Lamp, Bluebird

(AB):the model withAnti-lock Brake Systems (CT): the model with catalysts (HD):the model with head-on display system (I): the L.H.D type The No.1 Warning Lamp Circuit of the Bluebird Car   (View)

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The No.2 Warning Lamp Circuit of the Bluebird Car

Published:2011/5/9 0:05:00 Author:Borg

The No.2 Warning Lamp Circuit of the Bluebird Car   (View)

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Mitsubishi Pajero (PAJERO) light off-road vehicle powered car window theory circuit diagram

Published:2011/5/8 11:41:00 Author:Rebekka | Keyword: Mitsubishi Pajero , light off-road vehicle powered car

Mitsubishi Pajero (PAJERO) light off-road vehicle powered car window theory circuit diagram 50 door motor relay; 51 window motor for a main switch; 52,54,56,58 left, right, left rear, right front window motor; 53,55,57 right, left rear, right front window motor Vice switch; 68 bit big switch. Mitsubishi Pajero (PAJERO) light off-road vehicle powered car window theory circuit diagram.   (View)

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The Headlights Circuit of the Bluebird Car

Published:2011/5/8 9:46:00 Author:Borg | Keyword: Headlights, Bluebird

The Headlights Circuit of the Bluebird Car   (View)

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The Circuit of License Plate Lamps,Tail Lamps and Brake Lamps of the Bluebird Car

Published:2011/5/8 10:02:00 Author:Borg | Keyword: License Plate Lamps, Tail Lamps , Brake Lamps, Bluebird

(A):Type A (B):Type B (C):Type L.H.D (D)Type R.H.D (KH):the type of Hongkong hardtop (NK):except the type of Hongkong hardtop (SP):the model with rear spoilers The Circuit of License Plate Lamps,Tail Lamps and Brake Lamps of the Bluebird Car   (View)

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Light Control Street Lamp Circuit Using ne555

Published:2011/5/5 20:25:00 Author:Robert | Keyword: Light Control, Street Lamp

As shown this circuit is specially designed. The light control switch and the electrical networks are connected by the two-wire connected method. It can replace the general switch directly to make the normal lamps be the light control automatic street lamps.   (View)

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Using NE555 Skillfully as High and Low Frequency Signal Tracer Circuit

Published:2011/5/5 2:57:00 Author:Joyce | Keyword: Using NE555 Skillfully as, High and Low Frequency, Signal, Tracer

Using NE555 Skillfully as High and Low Frequency Signal Tracer Circuit   (View)

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Beijing Cherokee 4.0L engine electronic control system sensor and computer wiring diagram

Published:2011/5/5 6:31:00 Author:Rebekka | Keyword: Beijing Cherokee 4.0L engine, electronic control system sensor , computer wiring

Beijing Cherokee 4.0L engine electronic control system sensor and computer wiring diagram.   (View)

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555 Electronic flute circuit

Published:2011/5/4 21:03:00 Author:Ecco | Keyword: 555, Electronic flute

The circuit shown in Figure 11-16 includes the timer and voltage-controlled oscillator. IC1 (555) and R1, RP1, R2, C2 form astable multivibrator, f = 1.44 / (R1 + RP1 +2 R2) C2, the oscillation frequency and duty cycle can be changed by adjusting RP1. IC2 (CD4046) is the CMOS-type phase-locked loop (PLL), the center frequency of voltage-controlled oscillation depends on the external components, sucn as C4, RP2, RP3, R3. The center frequency fmin = 1 / (RP3 + R3) C4, fmax = 1 / (RP2 + RP3 + R3) C4. Adjusting RP2, RP3 can change the two tones of the electronic flute, adjusting RP1 can change the changing rate of two tones.   (View)

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555 Simple Linear Sawtooth Wave Generator Circuit

Published:2011/5/3 6:04:00 Author:Robert | Keyword: Linear Sawtooth Wave, Generator

As shown, after 555 triggering andfliping,the capacitor C generates the sawtooth waveby charging,and this wavecan be the scanningvoltage of the oscilloscope, but its linearity is not very well, so this circuit uses the constant current source instead of the timing resistor during themonostable and transient time, this can get the linear sawtooth wave. The linear ramp-up time is shown below.   (View)

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555 Square Wave And Sawtooth Wave Generator Circuit

Published:2011/5/3 7:15:00 Author:Robert | Keyword: Square Wave, Sawtooth Wave, Generator

As shown, 555 and R2, C1, VT1 etc. make up a monostable trigger circuit, the difference from the general trigger is thatVT1,R1,R2,R3 make up a constant current source, to charge to C1 with constant current, whichmakes C1's charging voltage linearity good and has precise delay. The delay time td≈1.1R2C1. It is required the trigger pulse cycle time T>td. The output wave is shown as picture below. (a) is circuit. (b) is wave.   (View)

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555 Zero-Symmetric Bi-Directional Pulse Generator Circuit

Published:2011/5/1 10:01:00 Author:Robert | Keyword: Zero-Symmetric, Bi-Directional, Pulse Generator

As shown, this circuit can meet the requirements of the periodic pulse outputing symmetrically to the ground.Under the power voltage of +/-15V, it can output +/-11V bi-directional pulse. VT1, VT2 and R1~R4 make up the voltage shifting networks, using the floating power supply method to the IC 555. 555 and R5, R6, C2 make up the astable multivibrator, oscillation frequency is f=1.44/(R5+2*R6)C2 and it is about 90Hz.   (View)

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Changan Star multifunction vehicle front wiper and jet washing device circuit diagram

Published:2011/4/28 9:23:00 Author:Rebekka | Keyword: Changan Star, multifunction vehicle , front wiper , jet washing device

Changan Star multifunction vehicle front wiper and jet washing device circuit diagram is shown as above.   (View)

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Changan Star multi-purpose vehicle combination instrument circuit diagram 3

Published:2011/4/28 1:07:00 Author:Rebekka | Keyword: Changan Star, multi-purpose vehicle, combination instrument

Changan Star multi-purpose vehicle combination instrument circuit diagram is shown as above.   (View)

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Changan Star multi-purpose car electric door and window circuit diagram

Published:2011/4/28 1:06:00 Author:Rebekka | Keyword: Changan Star , multi-purpose car, electric door and window

Changan Star multi-purpose car electric door and window circuit diagramis shown as above.   (View)

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Changan Star multi-purpose vehicle combination instrument circuit diagram 2

Published:2011/4/28 1:04:00 Author:Rebekka | Keyword: Changan Star , multi-purpose vehicle , combination instrument

Changan Star multi-purpose vehicle combination instrument circuit diagram is shown as above.   (View)

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Changan Star multi-purpose vehicle combination instrument circuit diagram 1

Published:2011/4/28 1:04:00 Author:Rebekka | Keyword: Changan Star , multi-purpose vehicle , combination instrument

Changan Star multi-purpose vehicle combination instrument circuit diagram is shown as above.   (View)

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555 Digital temperature sensor header circuit

Published:2011/4/27 4:26:00 Author:Ecco | Keyword: 555 , Digital, temperature, sensor header

As shown in Figure 7-33, the sensor header consists of two 1N914 diodes and a multivibrator composed of 555 and other components. Diode D is used as a part of discharging loop of 555 oscillator, the oscillation frequency changes proportionally with temperature and the impedance of the diode. The oscillation pulse output by 555 and then sent to the frequency counter to count, to reflect the changes of temperature.   (View)

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555 Audio ohmmeter circuit

Published:2011/4/27 4:16:00 Author:Ecco | Keyword: 555 , Audio , ohmmeter

As shown in Figure 7-9, audio ohmmeter uses 555 as the core. The circuit is actually a multivibrator. The table pen is connected to resistor Rx, and then connected to R3 in parallel, the resistance is different, the oscillation frequency is different, the level of speaker sound is also different. The resistance of measured resistor can be estimated by the level of sound.   (View)

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555 Negative voltage source circuit

Published:2011/4/27 3:47:00 Author:Ecco | Keyword: 555 , Negative, voltage source

As shown in Figure 9-1, 555 and R1, R2, C3 form an astable multivibrator, f = 1.44 / (R1 +2 R2) C3, the frequency of the icon parameter is about 80kHz. R2 is greater than the R1, so the duty cycle closes to 50%. The output oscillation pulses is rectified by the D1, D2, C2, and it gets a negative voltage and offers tens of mA load current.   (View)

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