Position: Index > 555 Circuit >
  • ON/OFF Featured Touch Switch by 555 Timer

    2015-02-02 13:33:1491

    Figure 1 The circuit was designed to create a touch switch that can be used for ON/OFF functions in modern technology. BC547 – NPN small signal trans...

  • mixer based on LM-1496 circuit

    2015-02-02 12:58:39169

    The picture shows the basic LM-1496 mixer circuit. In the figure, RF and carrier input are connected together to form a single-ended structure. Respect...

  • 555 Tester circuit

    2015-02-02 12:15:2794

    Description. NE555 is an IC which is widely used in timers and control circuits. A circuit for independent testing this IC is given here. Here the NE55...

  • 555 Low power consumption Monostable circuit

    2015-02-02 09:26:50110

    As shown in the picture 2-10, the circuit is composed of a four-two input terminal, a non-pin CD4011 and a CMOS-type 555, therefore, no matter in a sta...

  • 555 Pulse Generator

    2015-02-02 07:59:07106

    Description: A 555 pulse generator circuit with a difference, the initial pulse is tailored by additional circuitry to match the duration of subsequent...

  • 555 based Reset Generator CIRCUIT (LM555N)

    2015-02-02 07:51:0494

    This article describes the 555 based Reset Generator CIRCUIT (LM555N). The content is very simple, very helpful. Components in this article can help yo...

  • Single Channel Universal Infrared Switch by 555 Timer

    2015-02-02 06:56:0570

    Figure 1 The circuit was designed to produce a universal infrared switch with a single channel and ON/OFF feature to operate in 36 kHz to 38 kHz in the...

  • 555 micro defibrillation emergency device circuit

    2015-02-02 06:39:21134

    The defibrillator ordinary used for arrhythmia patient is bulky, heavy and inconvenient to carry. This circuit adopts 555 circuit, it is safe and relia...

  • Adjustable Duty cycle 555 Square wave Generator

    2015-02-02 06:17:56114

    As shown in the figure 3-4, as soon as the voltage VDD is connected, the oscillator starts up. At the beginning of being powered, as the voltage can no...

  • 555 Audio Oscillator circuit driven by radiofrequency

    2015-02-02 04:52:0494

    As shown in the picture 3-14, a 555, R1, RP1,C1 and other parts constitute a controllable audio oscillator, the frequency ofparameter in the picture ra...

  • 555 Variable Frequency Square Wave Generator

    2015-02-02 02:54:18194

    555 Variable Frequency Square Wave Generator This simple 555 Variable Frequency Square Wave Generator produces a variable frequency output of 2800Hz to...

  • Driving Relay with 555 IC (NE555)

    2015-02-02 02:03:21170

    This article describes the Driving Relay with 555 IC (NE555). The content is very simple, very helpful. Components in this article can help you underst...

  • 555 Timer As An A/D Converter

    2015-02-02 00:12:5377

    555 Timer As An A/D Converter[more] : Measure voltages accurately with a microcontroller using this simple circuit. Includes sample program for the Par...

  • Cmos 555 astable generates square waves

    2015-02-02 00:07:3393

    A CMOS timer generates true square waves because, unlike the bipolar 555, its output swings from rail to rail. The component values shown give a freque...

  • Curtain Control Circuit With 555 Timer IC

    2015-02-01 23:57:3684

    Description: This is a Curtain Control Circuit. This circuit based on the 555 Timer IC. This hybrid circuit uses a mixture of transistors, an IC and a ...

  • Battery thermocouple protection circuit

    2015-02-01 23:44:35237

    K-type thermocouple is placed in insulation terminal block and the ambient temperature of the thermocouple is continuously controlled by 1N914 diode. D...

  • DC motor speed controller with 555 timer

    2015-02-01 23:42:4684

    555 timer circuits Using this dc motor speed controller circuit designed using 555 timer circuit can be designed a small drill project. Q1, Q2 and U2 f...

  • 555 Bootstrap Voltage Sawtooth Wave Generator Circuit

    2015-02-01 23:32:30153

    As shown, the sawtooth generator is made up by the 555 monostable timing circuit and feedback bootstrap circuit.The IC2 (LM741) operational amplifier i...

  • The Engine and Emission Control System of the Bluebird Car

    2015-02-01 22:47:4994

    (A):Model A/T (L):Model L.H.D (M):Model M/T(R):Model R.H.D (AA):Model A/T with A.S.C.D (AE): Model A/T without A.S.C.D(CT):the model with a catalyst(EC...

  • Automobile instrument theory circuit of 70 road vehicle of T

    2015-02-01 21:46:51100

    Front and rear windscreen of 70 light-duty off-road vehicles have wiper washing device, and intermittent relay, 103 and 109. The mist grid of Wiper swi...

  • 555 long time delay circuit 2

    2015-02-01 20:38:48141

    The circuit is shown as the chart 6-2, the delay circuit is a trigger delay circuit with integrator. CA3140 is a BIMOS single-supply op amp, itcan stil...

  • TEANA A33-EL Automatic Speed Control Device Schematic Diagra

    2015-02-01 17:55:2180

    TEANA A33-EL Automatic Speed Control Device Schematic Diagram and Circuit...

  • Southeast Soveran ABS chassis circuit

    2015-02-01 16:45:2789

    ...

  • 555 voltage detection circuit

    2015-02-01 16:36:12321

    As shown in Figure 7-10, the voltage detection circuit uses 555 as the core to form in bistable mode. Usually, the pin 6 of 555 (threshold level side)i...

  • 555 optical control delay flash toy car circuit

    2015-02-01 16:33:1993

    After receiving the optical signal, this car will move straight forward, at the same time, it has red and green alternately flashing. After one minute,...

  • Door open alarm using 555 timer circuit

    2015-02-01 15:10:27101

    555 timer circuits This door open alarm electronic project is designed using an linear hall effect device and a 555 timer circuit. This door open alarm...

  • 555 Gauge Head Frequency Meter Circuit

    2015-02-01 13:26:06224

    As shown, 555 and R1, C1 etc. compose a monostable delay circuit, input square wave signal or the square wave signal after the shaping of Schmitt trigg...

  • 555 overvoltage, undervoltage delay automatical protection c

    2015-02-01 11:55:11132

    As shown in Figure 10-3, IC1 and R1 ~ R3, RP1 ~ RP3 form overvoltage, undervoltage sampling and R-S trigger circuit, when the mains voltage is below 17...

  • 555 automatic start type over-current protection control cir

    2015-02-01 10:55:39412

    As shown in the figure 10-10, the over-current protection circuit is made as the core of 555 which is connected into R-S trigger mode. In the figure, M...

  • 555 Square Wave And Sawtooth Wave Generator Circuit

    2015-02-01 08:18:35154

    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...

Maybe you like