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According to news released from Zhaoqing, on the morning of December 24, the second-phase construction ceremony of the lithium-ion battery production project of Guangdong Ruiqing Times was held in Zh...[Details]
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Usually, we use keil5 to develop 32 and keil4 to develop 51. But it is too cumbersome to switch versions. Here is a method to make keil5 compatible with 51 programs. Only for the keil5 series that ha...[Details]
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On March 9, Espressif responded to investors on the interactive platform, saying that our main competitors in the WiFi MCU field are Realtek and MediaTek. In 2019, the three companies accounted for a...[Details]
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According to BOE's official WeChat account, BOE has applied for more than 4,500 patents this year, of which more than 90% are invention patents and more than 33% are overseas patents. In addition, ...[Details]
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With the continuous development of LED technology, the application of LED has expanded from the traditional low-power portable product backlight to medium- and high-power indoor lighting, outdoor lig...[Details]
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At present, the NGN network is a complex network with soft switching as the core and PSTN network and VoIP network integrated together. There are multiple
interfaces
, multiple protocols, a...[Details]
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DC current part: The moving coil should be installed properly, and there should be no ferromagnetic material in the moving space. If the shunt resistor is burned out, it should be replaced according ...[Details]
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Overview
Troubleshooting procedures involve systematic testing of equipment, with test procedures designed to identify and correct faults. Technicians must gather information and use tests to i...[Details]
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1. Properties and constraints of coordinate transformation
Coordinate transformation is a linear transformation. If there is no constraint, the transformation is not unique. In the system anal...[Details]
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The origin of smart phones can be traced back to the rise of PDA (personal digital assistant) devices in the late 1990s. At that time, PDAs mainly provided functions such as note-taking, ...[Details]
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1. Introduction to the principle of NCV8876 ON Semiconductor's NCV8876 is a non-synchronous boost controller used in applications where the input battery voltage drops suddenly during vehicle sta...[Details]
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On April 30, according to 91Mobile, the complete specifications and prices of Xiaomi Note 10 Lite were exposed by a Russian e-commerce website. It is not difficult to see from the name that X...[Details]
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introduction
The telecommunications era has not yet reached its peak. It is expected that user data transmission rates will reach 6 EB per month by 2016. The development of new communication t...[Details]
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1 Introduction to ARM7TDMI
ARM7TDMI is a classic general-purpose 32-bit microprocessor that uses a reduced instruction set (RISC) and pipeline structure. Typical applications include GPS, PDA, ...[Details]
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Mitsubishi PLC FX3U series is a very popular small PLC with high performance, high reliability, ease of use, etc. In practical applications, remote I/O settings are one of the common requirements.
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