[font=Times New Roman](I) Analyze the controlled object and propose control requirements[/font] [font=Times New Roman] Analyze the process and working characteristics of the controlled object in detai...
An inductor coil is a coil of wire wound around an insulating tube. The wires are insulated from each other, and the insulating tube can be hollow or contain an iron core or a magnetic powder core, re...
During the stress test of a microwave product, it was found that the single board was hung during startup, and the version could not be successfully powered on after the timeout reset, and the problem...
When studying the USART1 of the STM32F103 chip, when only the sending mode is turned on, the terminal can display normally, but when the receiving mode is added, the MDK can compile successfully, but ...
[color=#595959][backcolor=rgb(249, 249, 249)][font=宋体][size=3]This recommended solution[/size][/font][/backcolor][/color][backcolor=rgb(249, 249, 249)][font=宋体][size=3]can make the car blind spot dete...
The most significant event in the technology circle during this period is undoubtedly the news that ZTE was banned by the United States. Once the news came out, it shocked the entire Chinese techno...[Details]
Event: The company simultaneously released its 2017 annual report and the first quarter report of 2018. In 2017, the company achieved revenue of 8.886 billion yuan, a year-on-year increase of 48.01...[Details]
1. Problem When developing STM32 with IAR, I found that I could not print floating point numbers by redirecting printf to the serial port. The code is as follows: The output is as follows: It can...[Details]
Regarding the PHY construction of LWIP, the PHY chip used is LAN8720A, RMII mode. Regarding the hardware connection part, the Atomic board F407 is used, and the hardware connection is as follows: ...[Details]
According to foreign media reports, the 2018 GMC Terrain Denali is equipped with multiple collision detection systems, and a recent test verified the safety of the system. Even when driving in a bu...[Details]
What is SYSTICK: This is a 24-bit system tick timer, SysTick, with automatic reload and overflow interrupt functions. All microcontrollers based on the Cortex_M3 processor can obtain a certain time ...[Details]
Independent watchdog (IWDG) and low power mode are often used in STM32 development. The watchdog is to detect and solve faults caused by software errors, and the low power mode is to enter sleep mode...[Details]
The pins of stm32 have two uses: GPIO (general purpose io) and AFIO (alternate function io) For some pins (depending on the chip), neither of these two uses exists. For example, in 64-pin products, O...[Details]
OSC_IN and OSC_OUT are external crystal pins by default. If you do not use an external crystal oscillator on the STM32, how to connect OSC_IN and OSC_OUT If you use the internal RC oscillator instead...[Details]
I have encountered many problems when tinkering with LD driver recently. I will record them one by one below. Otherwise, who will remember who in five hundred years? 1. Configuration issues of multi-...[Details]
The single-chip microcomputer running light program requires all 32 serial ports to be used, and each serial port has eight LEDs. Question supplement: The 8051 single-chip microcomputer is used, an...[Details]
Manually assemble the following program machine code and analyze the execution function of the program segment. CLR A MOV R2, A MOV R7, #4 LOOP: CLR C MOV A, R0 RLC...[Details]
A simple experimental programming question for the microcontroller: write a 3-byte binary addition subroutine. The program entry is: addend 1: 22H, 21H, 20H three bytes, 22H is the highest bit; adden...[Details]
It is required to use timer/counter 1 for timing, with a timing of 1 second; timer/counter 0 for counter, and the external pulse to be counted is connected from P3.4 (T0). The microcontroller will co...[Details]
Industrial Control Electronics
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