I am a newbie and I am working on sensorless BLDC motor control. The motor voltage is about 4V and it is controlled by an 8-bit MCU with a PWM frequency of 20kHz and a main frequency of 16MHz. Using t...
I made a Zigbee module myself. There is no problem in establishing a connection. However, after more than ten minutes of connection establishment, the module becomes unstable. Why is that?...
The manufacturing material of the heat sink is an important factor affecting the performance, so you must pay attention to it when choosing! The thermal conductivity coefficients of the metal material...
I always read it wrong. I refer to the code in the circle.
void main(){
CS_CLR; //CS_N=0; PG4SUSP_CLR; //SUSP=0; PG5REST_SET;//RST=1; PG1EOT_SET;//EOT=1; PG0DMACK_SET; //DMACK=1; PG3//USB_DATA_OUT PC_...
Power supply equipment is a kind of electronic product with large quantity, wide application and strong versatility. Power supply is used in almost all departments such as modern communication, electr...
The trade war between China and the United States has become the focus. The United States has begun to play the ban card against Chinese technology companies. The ZTE incident shows that if the ban...[Details]
Because the STM32 HAL library only has millisecond-level delay for HAl_Delay(), in order to achieve accurate microsecond-level delay, Systick has to be modified. However, since it is used internally ...[Details]
The last two blogs talked about a version problem of STM32CubeMX and the problem of hardware reset. When you solve these two problems, you will find that after the program is burned into the board, t...[Details]
Automotive LCD Instrument Clock EMI Solution As early as 2014, the market size of China's automotive full LCD instrument has reached 3.506 billion yuan, and it is expected that by 2020, this s...[Details]
From last year to now, competition in the photovoltaic inverter industry has become increasingly fierce. In addition to the introduction of new products, various marketing and promotion methods hav...[Details]
STM32 uses FSMC to read and write CPLD programs. CPLD is hung on the address line and data line of STM32. CPLD is regarded as an off-chip RAM for reading and writing. On the board I made, CPLD is hun...[Details]
1. Introduction to MC68K CPU The MC683xx series of microcontrollers are composed of the famous MOTOROLA 32-bit microprocessors such as MC68K, 68020, 68040, and the compatible 68K, CPU32, CPU3...[Details]
1) Independent watchdog has no interrupt, window watchdog has interrupt 2) Independent watchdogs can be divided into hardware and software, while window watchdogs can only be controlled by software...[Details]
The clock system of STM32 can be directly summarized in a diagram (from the STM32F10X reference manual). The following is an analysis of this diagram 1. STM32 input clock source 1.1 Function of cl...[Details]
/*----------------------------------------------- Name: IIC protocol PCF8591 AD/DA conversion Content: Use DA input, digital tube display output digital quantity, LED display analog voltage size ...[Details]
1.GCC+PN(WinAVR-20071221) Introduction: WinAVR-20071221 comes with Programmer's Notepad, which is an easy-to-use and powerful code editor with basic functions such as project management, syntax colo...[Details]
The EM78 microcontroller does not have a multiplication instruction, so the multiplication operation needs to be converted into an addition operation. The 0X20 unit data is multiplied by the 0X21 u...[Details]
Motor Drive Control（Motor Control）
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