31DQ05TR-M3

I used STM32CubeMX V4.22.1 to generate a project including EHT and Lwip. The debugging has been abnormal. After careful inspection, the following problems were found: 1. The hardware uses LAN8720A, b...[Details]

Overview Lightning is a strong discharge phenomenon that occurs between thunderstorm clouds and between thunderstorm clouds and the earth due to severe convective weather. Lightning is gen...[Details]

Although it is early summer, the Chinese smartphone market is still in the cold winter, just like Beijing in April with snow. For mobile phone brands caught in the middle, the cold is even more bit...[Details]

In most countries, the military is a fairly large group, and the health of soldiers is particularly important to the combat effectiveness of the army. The US Department of Defense's Advanced Resear...[Details]

This example is mainly to familiarize yourself with the register configuration of Timer A and the configuration method of IAR. /***********************************************  Program function: re...[Details]

What are your expectations and ideas for the future of Xiaomi Mi Band ? Xiaomi Mi Band’s official Weibo shared many netizens’ thoughts on the future direction and functions of Xiao...[Details]

I have been working on a stm32 project recently and have been struggling with its startup method.  I saw a good article and reposted it. The format of the original article is not very good, and there...[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]

/*-----------------------------------------------   Name: IIC protocol PCF8591 AD/DA conversion   Content: Use DA input, digital tube display output digital quantity, LED display analog voltage size ...[Details]

unsigned char num,i,j;                        unsigned char passwordtemp ; //Maximum input is 16      unsigned char inputtimes; //Number of incorrect password inputs      unsigned char passwordlength...[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]

MCU Programming: Find the average value of 8 unsigned numbers. There are 8 unsigned numbers stored in 8 units of the internal RAM starting at 20H. It is required to save their average value in R2. ;-...[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]

In the 51 single-chip microcomputer's on-chip data memory units 20H and 21H, the data 9 and 2 are stored respectively. Write a program to calculate the difference and product between the two. The d...[Details]