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The default serial communication parameters of the reading module are as shown in the table below.
If they are inconsistent with the host device, they can be modified by reading the setting code.
TTL-232 Default communication parameters:
Parameter Default
Type Standard TTL-232
Baud Rate 9600
Parity Type None
Data Bits 8
Stop Bits 1
1. Baud Rate
The unit of Baud Rate is bits per second (bps: bits per second), you can read the following setting
codes to select configuration parameters.
1200 bps
4800 bps
19200 bps
38400 bps
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