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As an important technology for smart grid, it is sometimes necessary to grasp the changes in power quality (for example, changes in three-phase AC voltage, current and phase) with high accuracy and tr...[Details]
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This article introduces the development history of monitoring management software and the problems it faces. It proposes that today's monitoring management platform software will develop from a sin...[Details]
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Virtual assistants are being integrated into more devices in the home, and Amazon recently announced that it will launch a variety of new devices for Alexa, including earbuds, glasses, and rings, to ...[Details]
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On December 14, some media received exclusive information that the Xiaomi 11 series will be officially released on December 29. It is reported that Xiaomi 11 will be officially sold this mont...[Details]
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The compilation process was quite troublesome. And there were quite a lot of errors. I had to cut off the tool chain and retrain several times.
Compilation process:
Environment setup:
sudo groupa...[Details]
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LCR tester, L: inductance (in memory of physicist Heinrich Lenz), C: capacitance (Capacitor), R: resistance (Resistance), LCR digital bridge is an instrument that can measure inductance, capacitanc...[Details]
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Jinhua Chuangjie Electronics has been a supplier of automotive grade crystal oscillators for many years, and during this time we have found that our customers are sometimes confused about the AEC-Q...[Details]
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;------------------------------------------------------------------------------
; STARTUP.A51: User power-on initialization routine
;-----------------------------------------------------------------...[Details]
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The Semiconductor Industry Association (SEMI) today (14) released the "2018 Recycled Silicon Wafer Forecast Analysis Report", pointing out that due to the record number of recycled wafers processed, ...[Details]
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The latest report from market research firm Strategy Analytics shows that in the first quarter of 2020, the global smartphone display panel market had total revenue of US$9 billion, a year-on-year in...[Details]
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In recent years, the application of high-brightness LED has developed rapidly, especially in signboards and traffic lights. For automotive applications, LED is also very attractive. Long life, shock ...[Details]
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1 Common overcurrent protection circuits for switching power supplies
1.1 Current detection using current sensor
The working principle of the overcurrent detection sensor is shown in Figu...[Details]
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Not all decoration is completed according to the initial design requirements. In the later work, the decoration has changed, such as the height and the range of sound reinforcement coverage. Then h...[Details]
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As the world's leading wafer foundry, TSMC's advantages in advanced processes will be further strengthened this year. In addition to the short supply of 7nm, 6nm and 5nm processes will also be mass-p...[Details]
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Analysis process:
Program entry
Phase 1 Program Analysis
Second stage program analysis
2440 Development Board:
1.uboot entry:
To see the entry of...[Details]