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8051 drives common cathode I had some time during the Chinese New Year, I sorted out my computer, and found a small work from before. I made it at the request of a friend who was just starting out. I...[Details]
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After about a week, I finally got IIC almost done. I can only say that every program should be taken seriously, and every program written is a kind of progress. As for IIC, I feel that I knew about i...[Details]
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Kia launched the fourth-generation Sorento at the Geneva Motor Show in 2020, which was not officially held in person. However, due to the impact of the global epidemic, the launch effect of the new c...[Details]
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The peripheral design of mobile phones is the main method to increase additional functions, selling points and new profits of mobile phones. Hundreds of new mobile phones launched every year are no...[Details]
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Editor's note: At CES2023, car manufacturers and chip manufacturers have launched the latest products around smart cars . In the trailer park of the Las Vegas Convention Center, there were two cars o...[Details]
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In 2016, VR ushered in a golden age, and many manufacturers viewed VR games as a blue ocean market worth exploring. With the unique advantages of high immersion and strong interactivity, VR games, as...[Details]
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Network analyzers are used to characterize radio frequency (RF) devices. Although originally designed to measure S parameters, today’s network analyzers are highly integrated and advanced in order to...[Details]
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1. Please write a C function that searches for a given character in a given memory area and returns the index value of the character's location.
Answer:
int search(char *cpSource, int n, char ch)...[Details]
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Keysight Technologies is the First to Receive OmniAir Qualified Test Equipment Qualification to Accelerate C-V2X Device Certification Verify C-V2X capabilities of onboard and roadside equipment to ...[Details]
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How to use binary heap in data structure implementation? My task is mainly to solve the problem of task priority scheduling in the operating system. Of course, it can also be used to implement heap so...[Details]
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Solid-state batteries have an energy density 45% higher than liquid batteries of the same chemistry, and the use of non-flammable solid electrolytes also means that these batteries will be safer than...[Details]
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The program uses the Timer0 compare match interrupt mode to control the LED to light up and down at intervals of 500ms.
When the WGM0 bit of the TCCR0 register is configured as CTC mode, the counte...[Details]
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The principle of lighting up an LED is to give the LED diode a low potential to form a circuit to make it emit light.
After reading the circuit diagram, we know that the interface of the LED i...[Details]
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The figure below is a circuit for a frequency division ratio of N = 2-4, which is usually composed of dual D-FF or dual JK-FF devices. For a frequency division ratio of n 4, a counter (such as a pres...[Details]
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First look at the address line of 2440: mini2440 schematic.pdf
The 2440 chip provides 27 address lines = 128M.
The S3c2440 chip only provides 27 address lines addr on the pins provi...[Details]
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