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I recently ported a lora program that my former colleague had already completed from IAR platform to KEIL. After the port, a hardfault problem occurred. I have rarely encountered this problem before, ...[Details]
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1. Principle Analysis 2. Main Process 3. Source code 4. dis file analysis Hardware platform: jz2440 Software platform: Ubuntu16.04 arm-linux-gcc-3.4.5 1. Principle analysis The simplest way to li...[Details]
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1. Introduction
In recent years, 3D LED display technology has been continuously developing. With the popularity of the movie "Avatar", 3D LED TVs have become more and more popular and have be...[Details]
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When running a limit point test on a Keysight VNA, the marker value for the point is outside the limit line. However, the limit line pass/fail item shows a "pass" status. Why? A typical situation i...[Details]
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Consumer Reports, an authoritative American automotive review media, once compared the SuperCruise of General Motors Cadillac CT6 with several other intelligent driving systems including Tesla FSD....[Details]
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BLDC motor control circuit
If the motor needs to rotate, a rotating magnetic field needs to be given to the motor rotor. For a three-phase brushless DC motor, the DC voltage source only pr...[Details]
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"Burning money to build cars, the winners are Li Bin and Weilai, and the losers are Jia Yueting and LeEco." "For all speculators who choose to enter the car manufacturing market, they can stop tem...[Details]
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This dot matrix shift left, once let me......Now under the guidance of my friend............The main part is in the red part, please understand it! It's nothing if you understand it! Hardware: 74HC154...[Details]
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The development of smartphones in recent years has greatly increased the demand for RF front-end devices, but it is very difficult to be compatible with all these devices. Currently, the MIPI Allianc...[Details]
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——Interview with Zhang Quan, Chief Engineer of State Grid Energy Research Institute
Our reporter Ma Jia
On December 20, State Grid Corporation of China held a press conference on stabiliz...[Details]
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CS83787E is a stereo audio power amplifier suitable for single-cell lithium battery-powered applications, with fixed gain, three anti-breaking sound modes, AB/D switching mute function and built-in...[Details]
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People often ask about the topic of pre-loaded registers and shadow registers. In fact, there are introductions in the manuals of the STM32 related series, and there are documents to introduce them. ...[Details]
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According to news on September 18, according to industry insiders@mobile chip expert, NVIDIA has been in contact with Samsung about the 3nm GAA process. If everything goes well, mass production is sc...[Details]
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As the adoption of autonomous vehicles increases, the need for more automotive sensors becomes more apparent. Cameras are one of the key sensors driving the development of autonomous vehicles. The ...[Details]
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1. Because I accidentally failed to flash Android 2.3 with fastboot, the development board was bricked. Later, I flashed Android 4.0.4 back through USB with dnw tool. The summary is as follows:
...[Details]
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