Serial card use steps

1. After Connect control card correcly according to Serial card connection diagram.html, then through 5V DC. Open software,click "Sear"，a dialog box appears：

   

   It showes that the communication between control card and computer is ok

2. Need to set up parameters if the parameters are not correct.

3. If the screen can display normally,you can add "text" "time" and so on ,Regulate parameters

   At last,click "Sear", then click "Send";, As shown below：