I use MOS tube relays to power the brushless DC motor, and add MOS relays to the positive and negative poles of the DC bus. During operation, I found that when the brushless DC motor suddenly reverses...
[table=95%][tr][td]I just wrote an STC microcontroller internal EEPROM read/write module in C language. I think it works well, so I would like to share it with you. If there are any shortcomings, plea...
[i=s]This post was last edited by Qiangzi00001 on 2015-10-17 00:25[/i] [align=left][font=宋体]Interrupt is one of the commonly used functions of microcontrollers. Interrupts are divided into internal in...
I am new to MP3 and would like to know some development questions: 1. Development process 2. Compile, debug, and burn steps 2. Which variables are applied by yourself 3. How to call the interface pict...
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]
Function List and Notes (lower-level driver part) 1. IO port initialization: control IO and communication IO. Control includes power control, reset and low power mode. Communication is the serial po...[Details]
In the development of artificial intelligence, talent reserve is undoubtedly an important part. Artificial intelligence should be a bottom-level technology that can be deeply embedded in any indust...[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]
In 2018, the National Development and Reform Commission issued a new photovoltaic subsidy policy. The benchmark on-grid electricity price was significantly reduced, the return on investment decreased,...[Details]
On May 8,
Google
I/O 2018 Developer Conference was held as scheduled in Mountain View, California. In the second year of the full promotion of the "AI first" strategy, artificial intelligen...[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]
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]
****************************************************************** 1. The operand is in register, R0--R7 2. Operands are in internal RAM 3. Operands are in external RAM But they are all similar. For ...[Details]
The circuit shown in the figure requires that the light is off when the machine is turned on. Press the button once, and the light D1 will turn on and automatically turn off after a delay of 10 secon...[Details]
Circuit: Using AT89S52 single chip microcomputer. P3.0 to P3.3 are connected to four external buttons. P3.4 to P3.7 are the bit selection ports for controlling the four digital tubes, and P1 is the s...[Details]
Requirements: Set timer T1 as an external event counter, count 500 pulses every time, then switch T1 to timing mode and output a positive pulse with a width of 10ms at P1.2. Over and over again. A...[Details]
According to a report by Russian News Agency on November 23, Alexander Hanin, founder and general manager of VisionLabs, a Russian facial recognition software development company, believes that in ...[Details]
:For medium and large-scale domestic photovoltaic power stations, inverters generally go through an open bidding process. Due to the high technical content of power station design, it is necessary ...[Details]
Motor Drive Control（Motor Control）
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