Repository-circuits
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Can reduce the electric current ripple on the Filtering capacitance greatly while adopting this kind of structure, thus has reduced and filtered the size of inductive magnitude and whole DC-DC converter greatly. This kind of converter operates the.... -
The large-scale LED display system adopts the line by line scan and lists the driving means to save the expenses of hardware, it adopt 1/16 it is non-interlaced scanning mode, LED display screens large-scales whole it last 16 pieces all right. The picture,.... -
LED guard-rail tube has another name called beautifully the tube, it is a kind of advanced LED decorative illumination lamp decoration products. Use LED of red, green, blue 3 kinds of colors as the light source, has used microelectronics and digital.... -
A steady, flexible, convenient traffic light control system to have necessity and realizability. But a lot of traffic lights are switched over according to a time interval in actual life. And the traffic lights can be according to changing the switching time.... -
We introduce an inverter today mainly by the MOS field effect tube, the ordinary power transformer forms. Its output power depends on the power of MOS field effect tube and power transformer, avoid the convoluted voltage transformer to wind, suit electronic.... -
So long as the visitor stretches out one`s hand and crosses the black harp of that entire body, the tone will be played . Why is not there the string to play S.. -
CN3052A/CN3052B/CN3056 the high-performance linear lithium battery charge manages the chip. Integrate power tube within these devices, do not need sense resistor and choked flow diode of external electric current, only need few peripheral components and.... -
The system adopts the modular design, the one-chip computer AT89S52 and CPLD is CPU of the overall system, the coordination of the control system. Set up the cycle of the systematic pulse signal through 4G—4 key set module at first, choose the output mode of.... -
The electric fan of remote control is to do a large amount of research and development and production in Pearl River Delta area of Guangdong in initial stage of the 1990s, and there is specialized mask chip that serves as top management chip, I have done the.... -
The thermocouple of the Model K is present industrial production, one kind of more common temperature sensors of scientific experiment, inner liquid steam of subject brightness range of Centigrade 0- 1 300 in various production for its all right direct.... -
As demand for VRM output current being bigger and bigger, the components and parts of SR-Buck converter can not already meet the demand for the microprocessor 100 A of new generation; In addition, the filtering inductance of making the heavy current is very.... -
Traditional UPS adopts the circuit control of simulation, as to manufacturer and user, no matter accuse of technology or SPWM technology, there is a great deal of limitation in analog control. With the development of information technology, high-speed.... -
The NCP1072/NCP1075 products integrate a fixed frequency current mode controller with a 700 V MOSFET. Available in a PDIP 7 or SOT 223 package, the NCP1072/5 offer a high level of integration, including soft start, frequency jittering, short circuit.... -
It is obvious, a slice of SM2965 includes canonial 80C32, FLASH, E2PROM 28SF512, SRAM static data storage And WDT watchdog`s timer SM2965 is that the cost performance is extremely quite high The one piece Computer. And its ISP characteristic makes FLASH.... -
FAN4810 work, to the average current, electric current of front continuously CCM The work pattern of voltage output rises, the internal treble safe detection technique can make the circuit avoid making the circuit not in normal operating conditions because.... -
This digital frequency meter of circuit is succinct, software potentiality is fully excavated, the survey accuracy of the low frequency band is high, have prevented the invasion of the interference effectively. The distinctive quality has embodied in and.... -
The gas detector designed this time is that have adopted the intelligence taking ARM microprocessor as the core to measure the control equipment, it not merely adopts the internationally advanced one-chip computer microprocessing of 1990s, also have the.... -
The intellectual wireless signal transducer was for major transducer and typical sensor to output signal design, so analyze their own outcoming signals at first. Usually the output of the transducer is 4- 20mA standard electric current signal. And to sensor,.... -
It is developed that the ones that assist driving system intelligent improvement and car electronic system that demand to the car as people are networked, new radar for back running vehicle should can serial range finding and reveals the distance of.... -
We have designed a walkie cardiotachometer, it can substitute and carry on the metric classic method with pulse auscultator, etc. , it is very convenient to use. This product mainly includes three parts: Collection, data processing and LED of the signal.... -
The variable frequency power supply, as the important constituent element of the power system, the quality of its characteristic concerns security and reliability index of the overall system directly. Such prominent advantages as the modern variable.... -
The mine railway connects the national railways and intermediate links of the mining area, it is the important constituent element of the transport network of the railway. Relevant materials statistics show, the Chinese mine railway exceeds 20, 000.... -
With the aggravation and improvement of human environmental consciousness day by day of the energy crisis, the development and utilization of new energy is paid attention to more and more by people. And the solar energy has been favored by people recently as.... -
Take precautions against the coefficient is low, the safety is bad, the applicable space is smaller and smaller. With the development of science and technology, people develop already the intersection of door and magnetic, touch-type, the intersection of.... -
With the wide application of SMT technology in products such as the computer, network communication, consuming electron and car electron, etc. , the assembly of the electronic product prones to complicating, high precision, melting and multi-functional.... -
In the production field, realize the automatic detection of the water level and control a critical technology that is the industrial process control, have important meanings in the automation level which improves industrial process control. In life field,....
New Circuits
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This project fits more for custom made battery casing that can have more space to hide things inside. This switch with few alterations can be used for any other project as well but is designed based on e-bike needs! This project use a clever functionality of.... -
The circuit described here uses ultrasonic oscillations and operates based on the propagation velocity of these oscillations in the air. Thus, we can easily determine the distance of two points if the time within which the wave travels this distance is.... -
Sometimes the precious metals are hidden too deep and are not detected except with complicated devices. In many cases, however, small pieces of precious metal buried near the surface can be detected by relatively simple means. Everyone is very attractive to.... -
Many times for various reasons we forget or can not water the plants that we have in our homes. And many humidity sensors units just notify us with a beeping sound or with a flashing light, that the pot needs watering. But what if we are away from home? This.... -
The principle behind a metal detector is really very simple. Proof of this is the circuit that follows, in which it proves that the construction of a metal detector can be done in the minute, with few components that we find very easily everywhere. With the.... -
The sub-harmonic bass generator is a sound producing unit for guitars. The sound it produces looks very much like that of the bass guitar. The octave generator is sometimes quite unusual since it does not produce any of the usual ways of coloring the sound,.... -
In the past the sounding (sea bottom measurement) was done with the "bullet", that is, with a heavy lead object that the seamen plucked into the sea hung from a calibrated rope. As soon as the "bullet" reached the bottom, the depth appeared directly from the.... -
This Amplifier was designed to have the following specifications: Distortion less than 0.1% at full power of 100W even at 20KHz. Power has to be attributed to an extended bandwidth. The output transistors must be protected against short circuits. The power.... -
A series of LEDs serve to alert the gardener when plants need water. Using two conventional digital integrated LEDs and a series of LEDs, we make a very useful device for gardening. The device detects the amount of water in the pot and alerts the grower.....
Popular Circuits
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The figure shows the schematic of the circuit. A number of unique features give this design its...
A delay by the improved quenching lamp pull switch, its performance and the example described...
As illustrated, 555 and R1, RP1, C1 and other components controlled audio oscillator, f frequency...