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1. Half-bridge detection The half-bridge is composed of two rectifier diodes. By using a multimeter to measure the forward and reverse resistance values of the two diodes inside the half-bridge, ...[Details]
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On December 22, the latest research from Strategy Analytics showed that Xiaomi's 5G smartphone shipments in Q3 2021 were the same as the previous quarter; Samsung's 5G smartphone shipment share conti...[Details]
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In recent years, backup power technology for coal mines has developed rapidly, and various types of batteries have been widely used. Among them, nickel-hydrogen batteries have been widely used in...[Details]
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Set-top boxes (tuner boxes) receive and convert television broadcast signals such as terrestrial broadcasts (digital and analog), cable broadcasts, and satellite broadcasts so they can be viewed on...[Details]
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1. Learn about the UC3843 chip There are a lot of explanations on the Internet about the use of UC3843 series chips. As long as you study carefully, it is not difficult to find that the most importan...[Details]
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Comment out CS8900 related stuff in smdk2440.h #if 0 #define CONFIG_DRIVER_CS8900 1 /* we have a CS8900 on-board */ #define CS8900_BASE 0x19000300 #define CS890...[Details]
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Part 7: Stack and Functions In this section we look at the memory area in a process called the stack. This chapter covers the purpose and operation of the stack. In addition we will look at the imple...[Details]
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TMS320VC54X series DSP chips are generally equipped with a BOOT program inside the chip. The main function of the BOOT program is to load the user program from the outside into the program memory when...[Details]
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As a window to China's electronic information industry and a weathervane leading the development of the industry, the 8th China Information Technology Expo (CITE2020) will be held in Shenzhen Convent...[Details]
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As technology develops, people enjoy great convenience. The birth of notebooks is one of them. People can work and play at any place, any time, and in any state. But at the same time, it brings a h...[Details]
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Take KEY2 controlling LED3 on and off as an example: 1. Polling method 【0】Detect button k2. When button k2 is pressed once, LED2 flashes once. 【1】Check the schematic diagram, connect the pins and c...[Details]
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0 Introduction
With the development of urbanization, the use of gas meters has increased rapidly, and meter reading has become increasingly complex. At the same time, the quality of residential buil...[Details]
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Starting with Micron's recent earnings call, The Memory Guy has been hearing memory executives and others use the word "unprecedented" to describe today's market meltdown. Perhaps the strangest of al...[Details]
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Consumers have higher expectations for the fast charging experience of electric vehicles. They want to charge the battery to 80% in 15 minutes or less.
To meet this expectation, OEMs are...[Details]
Discrete Device
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