At 23:00 on June 26, Beijing time (17:00 local time in Germany), the fifth match of the World Cup quarter-finals kicked off at the Frei Walter Stadium in Kaiserslautern. The game ended in a goalless d...
once Upon a time,
In the memory of most electronic engineers,
Everyone has a chip purchasing experience that is too painful to recall.
In order to find a chip,
Sleepless and restless,
Conduct dozens o...
Three-phase motor topologies have finally reached a tipping point in the world of electric motor drives. With decreasing costs and increasing potential efficiencies, integrated three-phase motor appli...
In 2018, the IEEE802.3bt standard was finally approved. The newly approved IEEE 802.3bt standard brings Power over Ethernet (PoE) technology into a new era in response to the rapidly growing market de...
Application areas: high voltage and high power motor variable frequency speed regulation.
Challenge: The unit series high-voltage inverter uses several low-voltage power units in series to...[Details]
Determine the PLL process:
1. Determine the CPU frequency Fcclk
2. Determine the crystal frequency Fosc, Fcclk must be an integer multiple of Fosc.
3. Calculate th...[Details]
Multi-jointed
Robots
A robot
is a mechanical device with multiple joints that can simulate human movement and actions. They usually consist of multiple joints and actuators connected togeth...[Details]
1. The Origin of Dual-core A dual-core processor is simply a processor that integrates two processor cores on a CPU substrate and connects the processor cores through a parallel bus. Dual-c...[Details]
According to Zhejiang Daily, on the second day of resumption of work, Ningbo Jiangfeng Electronics set a new record of daily shipments exceeding 1,000 for the first time. Currently, more than 90% of ...[Details]
1. Forward operating current If:
It refers to the forward current value when the light-emitting diode emits light normally. In actual use, IF should be selected to be below 0.6·IFm according to n...[Details]
On September 27, a serious remote code execution (RCE) vulnerability was exposed in the Linux circle. It has existed for more than 10 years and affects almost all GNU/Linux distributions. There is ...[Details]
The main functions of a handheld computer (HPC) should include: computing, data storage, input and output, data communication and system expansion. The organic combination of software and hardware is...[Details]
Let a single-chip LED digital display display 1 from the first digit, 2 from the second digit, 3 from the third digit, ... until the sixth digit displays 6, with an interval of 0.5 seconds between ea...[Details]
1 Introduction
To solve the system-level design problem, we must first solve the system and function description problem. The competition for system-level design languages is in full swing. ...[Details]
On June 12, Tianfeng International Securities analyst Ming-Chi Kuo pointed out in his latest report that mobile phone component suppliers are gradually resuming their business relations with Huawei w...[Details]
AArch64 assembly instruction set arm64-v8a corresponds to two sets of architecture instruction sets AArch32 ("A32" for short) ARM, Thumb, and Thumb-2 instruction sets AArch64 ("A64" for short) 64-bit...[Details]
The interrupt system of 80C51 has 5 interrupt sources (80C52 has 6), 2 priorities, and can realize two-level interrupt nesting. According to its schematic diagram, it can be seen that 80C51 has...[Details]
Judging from the situations around me, many engineers nowadays don’t know how to use transistors . This transistor, which was once the most core component in circuit design and the most basic knowled...[Details]
Talking
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