I use two stm32f446 microcontrollers as SPI master-slave communication, and the NSS line is enabled by software
The host receives the code as follows:The slave's receiving code is as follows :Experime
[i=s]This post was last edited by wangerxian on 2022-11-21 16:13[/i]I bought a Xiaomi router [Xiaomi Router 4A Gigabit Edition] three years ago. Now I feel that its performance is average. The speed t
Judging from the time of repeated restarts, it is similar to long pressing the Power button. Check the Power_On signal and find that it has been continuously pulled low. The schematic diagram of the P
Hello~ Friends, let me ask you, what do you pay most attention to when buying a power supply?For example, inherent indicators include: the number of output channels, the adjustable range of output vol