Continuing from the previous post, there is a serial port printing problem with the AC7801X chip. The program debugging is normal, and there is no problem with the serial port settings. I have used tw...
Introduction to the system and software and hardware implementation of the vehicle-mounted external amplifier : https://training.eeworld.com.cn/course/5133...
The original MCU + serial port to network port module had a slow serial port and insufficient transmission rate.
Later it was changed to CH395 but it was expensive and took up a lot of space.
Suddenly...
Although not all of them belong to the United States, they are all within the sphere of influence of the United States.
IAR, keil mdk, stm ide are blocked, what can I do?...
//Hexadecimal - decimal conversion program unsigned char d ; //10-bit display buffer for display //========================================================== //Hexadecimal to decimal output s...[Details]
In the previous chapter, we used static display 1234.5, which was simpler without loop statements. This time, we use dynamic display 01234567 Directly give the reference program: use Keil uVision5 fo...[Details]
With the development of 5G technology, smart terminal products such as smartphones, security monitoring, smart cars, and drones are constantly upgrading towards visual intelligence, driving the marke...[Details]
The principle of measuring resistance with a multimeter The principle of measuring resistance with a multimeter is actually based on Ohm's law. The voltage of the multimeter is the voltage of the...[Details]
In the half-wave detection
diode
radio, only the positive half cycle of the high-frequency signal passes through the diode to become an audio signal, while the negative half cycle of the ...[Details]
News NCR reported that the corporate culture of South Korean electronics giant Samsung has aroused concerns among hedge funds Petra Capital Management, Dalton Investments and investors. It is known t...[Details]
On March 14, NIO and CATL signed a framework agreement in Beijing. The two parties will promote the R&D and innovation of long-life batteries based on NIO's battery swapping needs. NIO Vice Preside...[Details]
During the period between the Lesser Heat and the End of Heat, the temperature is the highest, and the weather is humid and hot, which is what we often call the "dog days". Beijing is experiencing ...[Details]
figure 2 Figure 1 shows the dip switch and four indicator lights on our test board. When the dip switch is turned to the left, it is a high level (1), and when the dip switch is turned to the r...[Details]
According to Bloomberg, Broadcom warned customers that they need to place orders at least six months in advance. The extended delivery time indicates that the global supply chain is experiencing majo...[Details]
Through the previous learning to set the ARM interrupt vector table, the basic framework design is completed. Now let's start setting the CPU to SVC mode (here refers to 32-bit mode).
Also in the ARM...[Details]
This example uses the STM32F103VET6 platform, which has three SPI interfaces (SPI1 is used here), and each signal line is connected to the CS, CLK, DO, and DIO lines of the FLASH (model: W25X16) to r...[Details]
As technology advances, EMI poses an increasing threat to the normal operation of circuits. This is because electronic applications are shifting to various wireless communications or portable platf...[Details]
Manufacturers of throttling devices all know that when calculating the opening diameter of throttling devices such as orifice flowmeters and V-cone flowmeters based on field parameters, there is a pr...[Details]
Watchdog timer, in the embedded field, some devices need to work in some extreme environments, that is, places where people rarely go or are difficult to go. In the long-term operation, it is inevi...[Details]
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