[i=s]This post was last edited by Electronic_Elf on 2019-5-17 16:51[/i] [p=null, 2, left] This article mainly introduces the key points of knowledge about TTL level, CMOS level, and RS232 level, and I
At present, power modules are developing in the direction of integration, intelligence and modularization. Power modules provide an ideal interface for the connection between weak current and strong c
I want to do secondary development on a layer 3 switch and add my own program to the switch without changing the original one. I want to know if there is a manufacturer that can provide a layer 3 swit
At present, the microcontroller I use is stc15f104e for infrared remote control decoding. Because the external interrupt of version A of this microcontroller has a bug, it cannot be used. Therefore, I