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 ...
In the relays? point of view, dark activated means the relay will be activated when the? light intensity fall below a certain threshold.?? Without hyst...
As shown in the figure 11-22, the circuit is composed of two 555 and some resistor capacitor components, the astable multivibrator connsists of IC1 and...
This set has the function of over voltage self protection. When AC voltage regulator works abnormally and output voltage is too high, it can realize au...
As shown in the figure 10-7, the protector is composed of transformer, preamplifier stage and monostable delay circuit and relay. The protection action...
Missing pulse detector will receive a source of repetitive pulse in normal condition. The output of this detector circuit will be inactive for normal c...
As shown in the figure 11-29, the controller is composed of 4-step monostable timing circuit, it adopts interstage head-tail connecting to form ordinal...
As shown in the figure3-8, the astable multi-vibrator consists of a 555, R1 and C2and its oscillation frequency is about 20kHz. As both the charge and ...
This article briefly describes the 555 Timer Clap Switch (8T44A). This principle is easy to understand, but also very practical. Depth understanding of...
We can use the 555 timer to hold the cost down of adding a triggered sweep to an economy oscilloscope. The timer is triggered by the circuits input op ...
As shown in the figure 10-8, the protector is composed of zero-sequence transformer, preamplifier stage and monostable dalay circuit. In the context of...
Once current can be induced into twice voltage by LZ current sensor, after rectificated and filtered, it is used as 555's voltage supply source. The DW...
A square wave oscillator using555 IC can be configured to give symmetric oscillation (50% duty cycle). Other circuit uses diodes to split the charging ...
This article briefly describes the 555 DC / DC Converter (78L05). This principle is easy to understand, but also very practical. Depth understanding of...
Automatic nickel-cadmium battery charger circuit is shown as the chart, the charger is mainly composed of the power supply circuit, voltage comparator ...
Wiring Color B: Black LG: light green G: Green L: Blue W: White Y: Yellow SB: sky blue BR: Brown 0: Orange GR: Gray R: red p: Pink V: PurpleMitsubishi ...
The protector consists of depressurization regulated power supply, VDD=+(5~12)V, it depends on which voltage stablizing unit is adopted by IC1. The con...
The main sensor circuit of Chevrolet-Lumina (2.2L) 1-internal/earth connection; 2-engine earth connection; 3-disconnector; 4-separating plate wire conn...
As shown on the figure 6-19, the mono-stable time delay circuit consits of the IC1 and R1,RP1,C1. The mono-stable timing circuit consists of the IC2 an...
The chart shows the pocket electronic timing hypnotic massager composed of 555, it can satisfy leisure health needs of people. The circuit is composed ...
The following picture shows the circuit with a cascode VHF pre-amplifier formed by two pieces of JFET. (It means that Q1 is the direct coupling between...
As shown in diagram 20-4, electronic storage device consists of constant voltage source, oscillator, negative-ion generator and ozone generator.Constan...
As shown in the picture 5-35, this converter is composed of a non-inverting amplifier, an integrator and an oscillator for voltage/frequency conversion...
The 555 Astable oscillator gives a square wave output at pin 3, The output drives two LEDs, LED1 lights up when pin 3 is low and LED2 when pin 3 is hig...
Description: The following circuit shows about Pump Controller Circuit Diagram. This circuit based on the 555 Timer IC. Features: can be used to contro...
The frequency formula of 555 oscillator is popularly known. For a known resistors and capacitor, the frequency can be determined by a formula. From the...
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