Introduction - If you have any usage issues, please Google them yourself
This resource can be realized Tq2440 with 51 single-chip serial communication, 2440 send a message to the 51, 51 will receive the message received back to 2440 and show up in 2440, 2440 on the procedures developed using qt, 2440 serial choice tq2440_serial1 (ie com1, linux under the name ttyS1, because 0 is used for tuning embedded Days mouth), were connected with the DuPont line 2440 TXD1, RXD1 and 51 Rxd, Txd connected.