If you are using pc' s serial port to transfer data much easier to handle, you can install a serial port monitoring tool (such as AccessPort). Computer port is generally 2,3,5 3 line communication, 2 is the txd, 3 is rxd, 5 is GND, but the computer and the microcontroller logic levels of different logic level, specifically to see the serial port communication protocols, the Internet is easy to search . IIC bus data can oscilloscope view, the two probes, a connection clk, another connection sda, IIC communication can be observed when the data transmitted.

shizhong.c

• We are an exchange download platform that only provides communication channels. The downloaded content comes from the internet. Except for download issues, please Google on your own.
• The downloaded content is provided for members to upload. If it unintentionally infringes on your copyright, please contact us.
• Please use Winrar for decompression tools
• If download fail, Try it againg or Feedback to us.
• If downloaded content did not match the introduction, Feedback to us，Confirm and will be refund.
• Before downloading, you can inquire through the uploaded person information

Nothing．