0621001000

On April 24, Sungrow released its annual financial report. The report shows that in 2017, Sungrow's global shipments reached 16.5GW, of which domestic shipments reached 13.2GW, a year-on-year incre...[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]

This program mainly uses the comparison output function of the timer to generate PWM waves to control the LED. The comparison output of timer A corresponds to P2.3 P2.4. Therefore, a matching working...[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]

    1. Brief description     A summary of "How to build uClinux kernel transplantation on ARMSYS development board with S3C44B0X as core", including the analysis of Bootloader function and the key co...[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]

Mobile phone battery charger program made by STC12C2052AD microcontroller #include  stc12c2052ad.h   #include  intrins.h   #define uchar unsigned char  #define uint unsigned int sbit REF   =P1^0; sbi...[Details]

Homemade LED Electronics   Clocks can be seen in many electronic newspapers and magazines, but most of them need to reset the time and other parameters after power failure, which brings a lot of inco...[Details]

According to data released by WitsView, among the top six TV panel companies in 2017, Samsung 's TV panel production capacity declined the fastest, reaching -15.4%. However, this does not m...[Details]

In this example, a single-byte binary number (0X20) is converted into uncompressed BCD code and stored in 0X25, 0X24, and 0X23, where 0X25 is the hundreds place and 0X23 is the ones place. main: MOV ...[Details]

Infrared remote control is the most widely used remote control method. Infrared remote control devices have the characteristics of small size, low power consumption, strong functions and low cost. Th...[Details]

The story of Wang Po selling melons is common. For ordinary people in rural areas, if it is a melon, it is fine to buy it. At most, you cannot eat it and can throw it away to feed the chickens. But...[Details]

msvr3   turns on (`-msvr4') or off (`-msvr3') compiler extensions related to System V fourth edition (SVr4). The effects are as follows:      *   Which assembly syntax to output (you can select this ...[Details]

/***********74HC165 parallel input and serial output example program************/  // MCU ATmega8 reads the address of the dip switch of 165 serial input //   // Crystal oscillator: internal 1M //   ...[Details]

Communication rules:      1: Clock 7.3728 MHz / Baud rate 9600 / 9 data bits / odd parity / 1 stop bit / hardware multi-machine communication function /      2: Communication connection uses hardware...[Details]