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User Manual
The operation interface is shown in the below:
Users can read and write GPIO through serial commands in their own applications.
2.5.3 Setting Buzzer Status
The buzzer provides users with sound information about the status of the reader.
The user can turn off the buzzer, or set it to sound once every time the tag is inventoried.
It can also be set to beep every time a tag is read, but this will reduce the efficiency of multi-tag recognition. This
function is more used to test tags or readers.
The operation interface is as follows:
It should be noted that the buzzer sound after successful power-on self-test is not controlled by this setting.
After the setting is completed, the state of the buzzer will be kept in the FLASH inside the reader and will not be lost
after power off.
2.5.4 Changing The Serial Communication Baud Rate
Users can change the communication rate of the serial port by themselves. The reader supports two baud rates of
38400bps and 115200bps. The default is 115200bps.
The user can set the baud rate through the following interface:
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