D38999/47WJ29SC

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]

1. Development Environment       1. Applicable chips: All STM32F4 chips       2. Firmware library: STM32F4xx_DSP_StdPeriph_Lib_V1.8.0       3，IDE：MDK517 2. Driver source code       Delay.h File /**...[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]

As cryptocurrency continues to gain popularity, a technology hidden behind it has attracted more attention from the world, that is the now hotly debated blockchain . Let's follow the embedd...[Details]

In 1949, after three years of civil war, the Nationalist government was defeated and retreated to Taiwan. The political and academic circles launched a large-scale reflection on why they failed in ...[Details]

Mobile communication resale business means that enterprises can contract part of the communication network usage rights from basic telecommunications operators, repackage them into their own brands...[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 code for using timer 0 to implement a running light in a 51 MCU is as follows. The LED light is connected to port P1. The code is annotated below, so I won't explain it in detail. My English is n...[Details]

The clock frequency of the 80C51 microcontroller is 12MHz, and the timer T1 and P1.0 are used to output rectangular pulses. The waveform only shows two segments: one segment is 100us and the other se...[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]

China Energy Storage Network News: The Global Energy Internet Seminar, jointly organized by the Global Energy Internet Development Cooperation Organization and the Royal Academy of Engineerin...[Details]

Convert a byte of binary to two hexadecimal ASCII codes main: mov a,@0x9f ; the binary number is 0x9f mov 0x30,a ; store binary number in 0x30 mov a,@0x02 mov 0x10,a ;0x10 stores the conversion numbe...[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]

　　1) Understand how to use the M27c4001 ROM chip 　　2) Understand the programming method of SPCE061A I/O directly plugging into M27C4001.   　　1) A PC with Windows system and uμ抧SP? IDE simulation ...[Details]