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Instrument maintenance personnel should improve their ability to judge instrument faults and become more familiar with instrument principles, structures, and performance characteristics. However, the...[Details]
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1. Smart home has a small explosion
"Buy a freezer and you can stock up with confidence!" In 2020, when the epidemic began, the annual growth rate of household freezers increased by more than ...[Details]
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This st-link is used The package says that STM32 uses the 20 pins at the bottom and STM8 uses the 4 pins at the top. There are also wiring instructions for STM8 on the back. I connected the wires...[Details]
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Soft start and star-delta start are two different motor starting methods, which have different effects on the motor current and torque during the starting process.
The difference in start...[Details]
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Next, let’s talk about S5PV210 development – UART detailed explanation, which mentions TTL and RS232 levels. RS232 Level Logic 1: -3V~-15V Logic 0: +3V~+15V TTL level Logic 1: +2V~+5V Logic 0: ...[Details]
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On September 15, the US Department of Commerce's chip upgrade ban on Huawei and its subsidiaries officially took effect. TSMC, Qualcomm, MediaTek, Samsung, Micron, SK Hynix and other companies offici...[Details]
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Install
After the electroplating rectifier is placed in place at the production site, connect the copper busbar of the rectifier and the reversing switch. The reversing switch needs to be ...[Details]
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According to CCTV Finance, new energy vehicles are favored by more and more consumers because of their energy conservation, environmental protection and low operating costs. However, recently, new ene...[Details]
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The serious light decay problem of LED street lamps needs to be solved from the fundamental point of LED heat dissipation technology. At present, the growth rate of LED street lamps in China is highe...[Details]
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#include reg52.h
#define uint unsigned int
#define uchar unsigned char
fly duan ={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};
fly liushui ={0xfe,0xfd,0xfb,0xf7,0xef,0xd...[Details]
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Keysight Technologies Inc. (NYSE: KEYS), a leading technology company that helps enterprises, service providers and governments accelerate innovation to connect and secure the world, announced today ...[Details]
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1. Introduction
As the requirements for wireless data services and wireless transmission rates continue to increase, the third generation mobile communication technology and applications have devel...[Details]
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Central topics: The rising and falling edges are determined by the base value and the base value. The time parameters such as width, period and delay are measured at the midline. Hysteresis in the ho...[Details]
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On the one hand, there are severe doubts, and on the other hand, there are discussions on how to save electricity. Saving electricity in daily life starts with the most basic lighting electricity. Aft...[Details]
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1. Lithium-ion battery (Li-ion)
Technical details:
Lithium-ion batteries are one of the most popular types of batteries in the electric vehicle market. They use lithiu...[Details]
MicroPython Open Source section
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