Hello. I made a communication board between AT89S52 and MAX232 and PC. When I connected 11.12 to the microcontroller, and 13.14, GND to the PC, the line is also correct. I can receive the data sent by...
Looking for a part-time job to send and receive short messages on a Dopod mobile phone, the server receives and parses short messages and sends short messages to the PDA. The PDA operating system is W...
[img]http://hiphotos.baidu.com/zhidao/abpic/item/7e3e67092d2b93993bc76309.jpg?t=1302331637312[/img] The underlined ones are known quantities, and abw are unknown quantities. Can experts help me solve ...