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At the mid-term performance briefing held today, China Telecom said that the delay in investment progress was to some extent affected by the global chip supply shortage, and the supply of some equipm...[Details]
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With the advent of mobile payments, Chinese people now rarely carry cash when they go out. In order to keep up with the trend of "mobility", bank ATMs have been continuously upgraded and now have NFC...[Details]
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ECG is a bioelectric signal generated by myocardial contraction and can provide information about changes in cardiac physiological functions. By placing measuring electrodes on different parts of ...[Details]
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According to foreign media reports, MORAI, a leading developer of full-stack autonomous driving simulation technology, announced that it will launch MORAI SIM Cloud at CES 2022, which can use the clo...[Details]
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1. Introduction
When using portable electronic products, it is hoped that the remaining battery power and the working time can be known at any time, and relevant applications can be adjust...[Details]
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The most common problems when measuring 220V mains electricity with an oscilloscope: 1. Tripping during measurement; 2. People accidentally get electric shock; 3. The oscilloscope burned during measu...[Details]
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The so-called full-bridge circuit is an oscillator composed of four transistors or MOS tubes.
The full-bridge circuit is not prone to leakage current, while the half-bridge circuit is prone to le...[Details]
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Introduction
The MCS-51 microcontroller is currently the most widely used microcontroller in China. Based on the MCS-51 core, microcontroller manufacturers around the world have derived a larg...[Details]
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This X86 assembly tutorial directory
http://www.51hei.com/mcu/2619.html
After a crazy game, I'm back again....Remember unconditional jumps? This time I'll explain conditional jumps.
...[Details]
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Canadian telecom companies have spent more than $700 million on Huawei equipment, while the Canadian government has delayed a decision to ban Huawei for national security reasons, Global News has lea...[Details]
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1. Development Environment 1. Applicable chips: All STM32F4 chips 2. Firmware library: STM32F4xx_DSP_StdPeriph_Lib_V1.8.0 3,IDE:MDK517 2. Driver source code Delay.h...[Details]
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#include reg51.h
unsigned char flag=0;
sbit p33=P3^3;
unsigned char code port3 =
{
0x28,0x28,0x28,0x28,
0x29,0x29,0x29,0x29,
0x29,0x29,0x29,0x29,
0x29,0x29,0x29,0x29,
};
unsigned char code ...[Details]
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This paper uses ADI's ADSP21160 as the main processor to build a signal processing hardware platform, and gives the conception of the system and the specific circuit design, which has certain practic...[Details]
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The Bandgap Reference Calculator (BGRC) is a
Bandgap Reference Circuit
design and analysis tool. All circuit parameters and output voltage are calculated as a function of junction ...[Details]
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A variable frequency drive (VFD) is an electronic device used to control the speed of a motor. It achieves speed regulation of the motor by changing the frequency and voltage of the motor power sup...[Details]