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" The large-scale commercialization of hydrogen fuel cell vehicles is more difficult than the implementation of L4." The above remarks can probably express in one sentence the views of most people ...[Details]
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0 Introduction
SPICE is a powerful general-purpose analog and mixed-mode circuit simulator, which is mainly used to verify circuit design to predict circuit function. This is especiall...[Details]
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External power socket cleverly converted into charging socket
Some pocket semiconductor radios and pocket radio recorders are equipped with external power sockets, as shown in Figu...[Details]
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On January 20, China Stone Technology disclosed its 2020 annual performance forecast, with an estimated net profit attributable to shareholders of the listed company of 175 million yuan to 200 millio...[Details]
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#include at89x52.h
#include intrins.h
#define uchar unsigned char
#define uint unsigned int
#define A 1
uint year;
uchar count;
uchar flag=0;
uchar month,date,hour,min,s...[Details]
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For general embedded systems, several memory devices are often used in combination, taking into account factors such as system cost and operating speed. In the example below, an ARM9EJ processor ...[Details]
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#define OLED_SCLK_Clr() GPIO_ResetBits(I2C_PORT, I2C_SDA_PIN )//SDA IIC interface clock signal #define OLED_SCLK_Set() GPIO_SetBits(I2C_PORT, I2C_SDA_PIN ) #define OLED_SDIN_Clr() GPIO_ResetBits(I2C...[Details]
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Regarding driving assistance, display has become an important configuration to show the car's style. What is the most important thing about display? Of course, it is the screen! But where is the s...[Details]
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With the rapid development of new energy vehicles, the demand for electric vehicle on-board charging guns (IC-CPD) is also increasing rapidly.
Figure 1: Appearance of the on-board chargi...[Details]
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1. In the ST Visual Develop development environment, variables cannot be defined in .h files. You need to define the variables in .C files and then declare them in .H files. Supplement: Today I sudde...[Details]
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Air suspension is no longer exclusive to top luxury cars. At present, many domestic new energy vehicles worth 300,000 yuan are also equipped with air suspension systems. On the one hand, this is an...[Details]
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In the single-chip microcomputer system, the dynamic scanning display interface is one of the most widely used display methods in the single-chip microcomputer. Its interface circuit connects the sam...[Details]
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The high-voltage switch comprehensive tester is a special instrument developed to meet the needs of on-site testing of high-voltage switch action characteristics. It uses a single-chip microcomputer ...[Details]
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Lesson 3: Button Control
The key input is actually the operation of the GPIO port. At the same time, the concept of interrupt is introduced. In fact, key control is divided into two cases. The firs...[Details]
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Positive/negative polarity switching circuit for synchronous detection
Function of the circuit
The phase positive and negative conversion circuit is used in CR charge and discharge oscillation...[Details]
MEMS sensors
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