Turn Off The Computer Firewall; Open The "Serial Debug Assistant - Ebyte NB144ES User Manual

Chengdu Ebyte Electronic Technology Co., Ltd. NB144ES User Manual

2.3.3 Turn off the computer firewall

If the communication is unsuccessful, the user can try to turn off the firewall on the computer and try again.

2.3.4 Open the "Serial Debug Assistant"

Select the correct serial port number, configure the correct serial port parameters ( 115200-8N1 ), and open the
serial port, as shown in the figure below:
Copyright ©2012，Chengdu Ebyte Electronic Technology Co., Ltd. 8