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Key points of LED car headlight designLED
has been widely used in cars. Choose appropriate LED products according to different performance requirements. In addition to the appearance...[Details]
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Taking the microcontroller P1 register as an example, there are two arrangements: The first type: P1^7 is high, that is: P1^7 P1^6 P1^5 P1^4 P1^3 P1^2 P1^1 P1^0 The second type: P1^0 is high, that ...[Details]
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Many electronic designers know the role of filter capacitors in power supplies, but the filter capacitors used at the input of switching power supplies are different from those used in power frequenc...[Details]
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Sina Digital News reported on the morning of February 4 that investment bank JP Morgan Chase (JP Morgan) analyzed that the rumored Apple virtual reality (VR) device may be released in the first...[Details]
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The reducer is an intermediate device between the connection and the load, which is used to reduce the output speed of the motor, increase the output torque, and accurately adjust the rotation angl...[Details]
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The wireless microphone pull-rod teaching stick introduced in this article combines an FM wireless microphone and a portable pull-rod teaching stick into one. The metal part of the teaching stick is ...[Details]
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The input circuit of the switching power supply mostly adopts a rectifier plus capacitor filter circuit. At the moment of closing the input circuit, a large instantaneous impact current will be forme...[Details]
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0 Introduction
With the rapid development of digital signal processing theory and microelectronics technology, digital signal processors (DSP) have been widely used in various control fields. In...[Details]
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IDT70V9289 is a high-speed synchronous dual-port static RAM (SRAM) newly launched by IDT, which can realize lossless transmission of dual-channel high-speed data streams with different transmissi...[Details]
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Last night, Lei Jun, founder, chairman and CEO of Xiaomi, issued a New Year's greeting to Mi fans. Lei Jun said that in the past year, we have all deeply felt the changes of the times and the...[Details]
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ALU (Arithmetic Logic Unit) - Arithmetic Logic Unit. The ATMEGA48 ALU is directly connected to 32 general-purpose working registers, just like other AVR ALUs. ALU operations between registers and bet...[Details]
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The EV system developed by Ford helps electric vehicles achieve longer driving time in pure electric mode. EV is part of Ford SmartGauge and will become standard equipment on Ford C-MAX Energi, Fus...[Details]
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The development process of an automotive electronic control unit (ECU) is basically the same as the development process of any electronic product, and requires engineers in hardware, software, and te...[Details]
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Impedance matching devices are often used in high-frequency circuits, generally to match the impedance of components to the characteristic impedance of the circuit or system. In some circuits, it is ...[Details]
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Figure 3+1 protection circuit
According to the requirements of relevant departments of our country, as shown in Figure 1, Class C lightning arresters have been installed on communicati...[Details]