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According to official news, on June 25, SMIC (688981) held its first interim shareholders' meeting in 2021 and voted to approve the 2020 annual report. In addition, the shareholders' meeting approved...[Details]
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There are two initialization methods for debugging bare boards. One is to use the burned uboot for initialization, and the other is to use JLink+GDBServer for initialization. The code refers to the...[Details]
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Regarding the automobile electronic control system, it is not exclusive to new energy electric vehicles. Fuel vehicles also have it, but the electronic control system of new energy electric vehicles ...[Details]
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According to foreign media reports, high-performance specialty materials manufacturer Unifrax will showcase its latest product, SiFAB™ silicon fiber anode battery technology, at the Battery Show in N...[Details]
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Resistor packaging
Commonly used resistor PCB packages are: RES1, RES2, RES3, RES4; the package attributes are axial series
Resistor: AXIAL0.3-AXIAL0.7 0.4-0.7 refers to the length of the resisto...[Details]
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AREA BOOTCODE, CODE, READONLY
ENTRY
BootloAd
LDR r0, =0x00
LDR r1, =0x00
LDR r2, =0x00
LDR r3, =0x00
END
1) In the ARM program, how to ...[Details]
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There are many delay methods in the microcontroller: 1. Use loop function to delay: void delay1ms(void) //error 0us, delay 1ms { unsigned char a,b; for(b=199;b 0;b--) for(a=1;a 0;a--)...[Details]
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On May 16, Wang Nan, deputy director of the Innovation and Development Center of Huangshi City, Hubei Province, and relevant persons in charge of the Planning Office and Information Technology Prom...[Details]
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1. Input characteristics
Voltage measurement range: 0~750V wide range.
Current measurement range: 0~100A, all internal automatic range switching.
2. Accuracy
Voltage: ±0.3%
Current, frequency: ±0...[Details]
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On August 10, EVE Energy officially announced that it had signed a "Memorandum of Cooperation on Targeted Circular Supply of 10,000 Tons of Recycled Nickel Products" with GEM Co., Ltd. (hereinafter r...[Details]
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1. Introduction: The STC89C52 microcontroller can be controlled by buttons to output different waveform signals. By passing 5V voltage to the PCB board through USB, square wave, triangle wave, sawtoo...[Details]
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As a communication method, Profibus is widely used in the field of industrial control due to its unique advantages. Now let's talk about the Profibus communication case between Siemens S7-300 and S...[Details]
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In fact, high frequency and low frequency have their own advantages and disadvantages, and there is no absolute good or bad.
The advantages of high frequency inverters are mainly light weight a...[Details]
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On October 28, NIO announced that the high-speed battery swap network in the Jinzhong city cluster was officially opened. NIO has deployed 18 high-speed battery swap stations, connecting 9 prefecture-...[Details]
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Many Chinese infrastructure and operations (I&O) leaders hope to use automation technology to simplify and speed up the configuration, management and expansion of IT infrastructure resources when...[Details]