Produced by Shanghai Jiao Tong University. Although the teaching style is a bit casual, it can be seen that he is a teacher with considerable practical experience and has given many practical and practical design solutions and experience guidance, especially the introduction of MP3 playback. The design of the device, I believe everyone will be eager to try it after seeing it!
Today I was looking at the Linux kernel semaphore, and there was a question I didn't understand. Please help! The code of the up() function that releases the semaphore in the book is: movl $sem->count
[size=4] Because the G2 series has fewer IO ports, the LCD display has always been serial. In the end, only 3 ports were connected. PSB was directly connected to ground. RST was not connected, but it
[align=left][color=rgb(51, 51, 51)][font="]Today, the editor has summarized the basic common sense of module power supply. Please listen carefully! [/font][/color][/align][align=left][color=rgb(51, 51
Chip: stm32f030f4 Problem: uart1 and tim1_ch1n pwm output cannot coexist. Outputting either one of them is normal. Please give me some advice.[/size][/backcolor][/color] [color=#000][backcolor=rgb(232
From: Tencent I just read the news about the Chengdu bus fire, and I feel very sad. Dozens of lives were lost in a flash. From smoke and fire to a disaster, it only took five minutes. [align=center][/