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Download the schematic diagram used in this program:  click here  , the microcontroller chip used is stc89c52; /** *Function: The number displayed on the digital tube is the number of running light...[Details]

We often see the brilliant lighting effects in some foreign chassis renovations, which makes people envious. How is such an effect achieved? How can we DIY such lighting effects with simple and ef...[Details]

The following formula details the correct sequence for opening and closing single-pole disconnect switches. Tips Single pole isolating switch, Use an insulated rod for operation. ...[Details]

With the rapid development of building automation and lighting industry, traditional lighting control is gradually replaced by intelligent control. DALI, as a new intelligent lighting control protoco...[Details]

As shown in the figure, this is the basic inverting amplifier circuit composed of μA709. A resistor Ri is connected in series at the inverting input end, which is the input resistor of the operatio...[Details]

TCL, the "Iron Man" of the TV industry, is making great strides in the Indian market.   Once they really go crazy, many people will find it hard to resist. The signal sent by this momentum, in additi...[Details]

摘要：为了降低超声波流量检测过程中噪声对检测精度的影响，采用FPGA器件构建了FIR滤波器，并提出一种新颖的查表法替代滤波器中的乘法运算。试验结果表明，该滤波器设计方法显著降低了FPGA的片内硬件开销，提高了滤波器的运算速度，并具有良好的降噪效果。 关键词：超声波；信号；FPGA；FIR滤波器 0 引言 在超声流量检测过程中，由于环境噪声使得流量检测的精度收到...[Details]

The high switching action of power switching devices is the main reason for electromagnetic interference (EMI) generated by switching power supplies . The increase in switching frequency red...[Details]

For a good electronic product, in addition to the product's own functions, the technical level of circuit design (ECD) and electromagnetic compatibility design (EMCD) plays a very critical role in th...[Details]

1. Pins and ports: 1. Pins are the pins connected to the outside of the chip. A chip has at least VCC and GND pins. 51 single-chip microcomputers also have IO pins, serial port pins, etc. Pins are ...[Details]

Commercial vehicle intelligent development path and solutions ...[Details]

    “Turn the phone’s brightness to the brightest and watch a row of numbers on a black background from dark to bright. If you can clearly see the darkest number, it means it’s a top-level screen. If...[Details]

　　Winter is coming! The damage of static electricity to electronic components and equipment cannot be ignored in winter. Why do production lines invest so much in anti-static measures? It is because ...[Details]

At present, smartphones with fingerprint buttons have been widely used. The fingerprint button and the face cover of the mobile phone are designed separately, so the overall integration of the whole ...[Details]

introduction In the discharge process of tokamak plasma physics, the study of rupture and sawtooth is of great significance. Rupture and sawtooth exist in most tokamaks. Rupture is a noteworth...[Details]