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On November 9, the 18th China Semiconductor Packaging Test Technology and Market Annual Conference was held in Tianshui, Gansu. At the conference, Xiao Shengli, the current chairman of the Packaging ...[Details]
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Correctly guiding users to understand the performance indicators of LED display screens is of great significance to regulating the LED display screen market. In order to better implement the standards...[Details]
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(1) In
the switching power supply
, the components and wires that can constitute the radiation interference source can be assumed to be antennas, so as to use the electric dipole and magnetic d...[Details]
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On October 26, 2023, Beijing time,
Qiaotian Intelligent
officially released the magnetic mold changing system MMC. The system realizes the rapid upper and lower molds of the molds throu...[Details]
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Differential mode noise current flows in the differential direction
Countermeasures for conducted noise are implemented in three situations: ① When the differential mode noise is large and t...[Details]
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The ignition system plays a very important role in gasoline engines. The ignition energy must be large enough as required, otherwise the mixture in the cylinder cannot be ignited; the ignition timing ...[Details]
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A Bode plot with three poles and one zero will be used to analyze the gain and phase margin. Assuming a DC gain of 80dB, the first pole occurs at 100Hz. At this frequency, the slope of the gai...[Details]
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Each GPI/O port has two 32-bit configuration registers (GPIOx_CRL, GPIOx_CRH), two 32-bit data registers (GPIOx_IDR and GPIOx_ODR), a 32-bit set/reset register (GPIOx_BSRR), a 16-bit reset register (...[Details]
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As interest and market support for electric vehicles (EVs) and hybrid vehicles (HEVs) continue to grow, competition is intensifying among automakers to provide quality products to an expanding cust...[Details]
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OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
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With the development of global industrialization, fossil energy has been consumed in large quantities, which has also brought considerable impact on the environment. In the "12th Five-Year Plan for En...[Details]
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When we buy and use resistors, we often encounter some problems: How to determine whether the resistor is invalid? Do you not know whether the resistor you bought for the first time meets the require...[Details]
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Shanghai, China – March 29, 2022 –
Lattice Semiconductor
, a leading supplier of low power programmable devices, today announced that Shenzhen Avitu Technology Co., Ltd., a leading domestic...[Details]
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************************************/
#include REG52.H
#define uint unsigned int
#define uchar unsigned char
uchar code DIS_SEG7 ={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0x88,0x83,0x...[Details]
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The STM32 chip comes with a built-in ISP program. When the chip is powered on, it will check the BOOT0 BOOT1 level status. If
BOOT0=1
BOOT1=0
, it will enter the built-in ISP program, which can ...[Details]