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555 Timer Oscillator
2016-04-30 12:51:0461A voltage-controlled oscillator (VCO) using the timer 555 is shown in figure. 555-timer-voltage-controlled-oscillator The circuit is sometimes called a...
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Saw tooth wave generator using NE555
2016-04-30 10:13:4078Description. A simple sawtooth wave generator circuit for generating a saw tooth wave form using a NE555 IC is given below. The frequency of the wave f...
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555 Timer Modeling
2016-04-30 10:05:5762The 555 IC timer chip is widely used as both a monostable and astable multivibrator. Originally introduced by Signetics using bipolar technology, the 5...
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PWM lamp dimmer using NE555
2016-04-30 09:27:4281PWM lamp dimmer. A simple and efficient PWM lamp dimmer using timer IC NE555 is discussed in this article. Yesterdays linear regulator based dimmers ca...
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555 Timer Modeling
2016-04-30 08:07:2165The 555 IC timer chip is widely used as both a monostable and astable multivibrator. Originally introduced by Signetics using bipolar technology, the 5...
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Basic Monostable Multivibrator based IC 555
2016-04-30 03:02:5063The following diagram is the circuit diagram of the very basic monostable multivibrator which built based on timer IC 555. Parts list: R1 = see notes C...
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BISTABLE MULTIVIBRATOR USING IC 555 SCHEMATIC DIAGRAM
2016-04-30 01:24:2862BISTABLE MULTIVIBRATOR USING IC 555 SCHEMATIC DIAGRAM By taking the Trigger input (pin 2) "LOW", switch in Set position, changes the output state into ...
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Robot control circuit composed of transistor and NE555
2016-04-11 13:01:1265Figure 2-33 (a) is the action schematic diagram of the robot closing to the object. When there is no objects in front of the robot, it will go forward ...
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Robot control circuit composed of transistor and NE555
2016-04-11 13:01:0360Figure 2-33 (a) is the action schematic diagram of the robot closing to the object. When there is no objects in front of the robot, it will go forward ...
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Robot control circuit composed of transistor and NE555
2016-04-11 13:00:5461Figure 2-33 (a) is the action schematic diagram of the robot closing to the object. When there is no objects in front of the robot, it will go forward ...
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The transistor character curve plotter composed of 555
2016-04-06 20:15:0966In the figure is the transistor character curve plotter composed of 555. See as figure (a), the circuit consists of the sawtooth wave generator and ste...
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Car Tachometer with 555 IC
2015-02-06 22:50:06298Pulses are received by the timer from the distributor points. When the timer output is high, Meter M receives a calibrated current through R6. The mete...
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555 IC Timer control relay Switch
2015-02-06 22:34:06311This is easyTimer circuit projects. Control by relay. It use IC 555. This the circuit sets the time to are simple one that interesting , because useIC ...
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555 Bootstrap Pound wave Genenrator Circuit
2015-02-06 22:26:44140As shown in the figure 5-6, the sawtooth wave generator consists of a 555 single stable circuit and a feedback bootstrap circuit. The IC2 (LM741) opera...
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555 multifunction household appliance protector circuit(2)
2015-02-06 22:25:40131As shown in the 10-15, the protector circuit consists of AC hypotension, DC steady voltage circuit, undervoltage, overvoltage detection circuit and pow...
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555 storage battery protector circuit with stable voltage ch
2015-02-06 22:07:3793As shown in the figure 10-22, the protector circuit is composed of two three-terminal voltage stablizing units and two 555, it includes charge protecti...
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One Second Steps 555 Timer Circuit (0 To 59 S)
2015-02-06 20:20:29137The linearity of? 555 IC is sufficient to make 1 second precision, and this circuit employs the feature in this design. This timer step circuit can gen...
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555 Simple Linear Sawtooth Wave Generator Circuit
2015-02-06 19:51:16196As shown, after 555 triggering andfliping,the capacitor C generates the sawtooth waveby charging,and this wavecan be the scanningvoltage of the oscillo...
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555 Schmitt Bistable Flip-Flop Circuit
2015-02-06 19:40:501541.1.1 manual start1)Features: RT-6.2-CT, manual start, V0=0, steady-state;V0=1, temporary state(td).2)Formula: Td=1.1RT*CT3)Application: timing, delay....
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NE 555 time designer software
2015-02-06 18:01:00209NE 555 Timer Designer Program Name: TimerDesigner File Size: 927KB Platform: Windows 95/98/NT/2000/Vista License: Freeware Description: TimerDesigner a...
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555 adjustable speed electric toy car circuit
2015-02-06 17:07:21170The astable multivibrator is composed of 555 and R1, R2, R3, RP1 and C1. When it is connected to power supply, because C1's voltage can not suddenly ch...
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Temperature range controller circuit diagram composed of 555
2015-02-06 16:56:43153When the temperature falls below the lower temperature, the resistance R1 becomes larger, so that 555 ② feet is lower than the potential 1/3Vcc. The ...
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Car Tachometer with 555 IC (1N960)
2015-02-06 16:45:54141This article describes the Car Tachometer with 555 IC (1N960). The principle is very simple, very practical. The circuit components can help you unders...
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LAMP_TIMER
2015-02-06 15:07:30177A timed switch uses a 555 oscillator/timer wired to operate in the astable mode. The timer sup-plies a positive pulse to the clock input of a 74193 4-b...
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Accurate 50Hz Oscillator Circuit Using 555 And 7490
2015-02-06 14:24:04312Accurate 50Hz Oscillator Circuit Using 555 And 7490 This circuit is a getting a 50Hz pulse. It comprises a 555 timer and two 7490 divide-by-ten counter...
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High-pass filter circuit
2015-02-06 14:01:08111High-pass filter (HPF) cuts off signal frequency which is below -3dB cutoff frequency and allows for signal frequency which is above the cutoff frequen...
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555 Multi-vibrator with an Adjustable and Independent Charge
2015-02-06 13:26:58103As shown in the picture3-13, base biasing circuit of VT1~VT11 has added 11 binary data, it has 2048 compounding. If any of them becomes low-leveled, th...
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Street light timing circuit
2015-02-06 13:05:52119This circuit shows that light control timing lights can automatically open in the evening for several hours and automatically off afterwards.When darkn...
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DC Motor speed controller using 555 timer circuit
2015-02-06 12:16:10233555 timer circuits Using a 555 timer circuit and some other electronic components can be designed a very simple dc motor speed controller circuit that ...
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SSB modulator based on LM-1496 circuit
2015-02-06 12:08:50233The picture shows the double-sideband suppressed-carrier (DSBSC) signal circuit generated by the LM-1496. When it is followed by connecting the IF-stag...
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