User Manual

RB-Dfr-482 - Multi USB/RS232/RS485/TTL Converter
choose CoolTerm to do this.
Please set the baud rate to 115200 bps and com port. Back to the main interface, click Connection--Send String, the
following dialog will open.
You can send the string in this dialog. The string received can be showed in the other port(UNO port).
Thus far，you achieve the function USB to TTL.
However, you can test reversed converter based on this function, being B to A converter. You only need to change the UNO
code. You will see the change that coolterm will receive data from UNO.
Refer to the test code：