I remembered the slogan hung on the roadside that day: "Regulate parking fees, 20 cents for bicycles, 50 cents for electric vehicles." I remember once I parked a bicycle on the roadside of Donggou, an
I feel that USB can be deep or shallow.The shallow oneI don't care about anything and just use the example program to imitate it. Maybe it can be used by chance.The deep one is unfathomableCan Xiang B
Use MAX485 (single USB power supply) to convert the level and 485 to USB. The logic of sending and receiving data in the serial port assistant is: PC sends data to the microcontroller through the seri
I would like to ask all the seniors in electronic technology: I am a beginner in maintenance. Recently, after writing the original program to the SAMSUNG K9F4G08U0A chip, I read the written program an