HLK-LD2420
user manual
If no one is continuously detected within the time period, the "no one" status will be reported after the end of the time; if no one is detected within this time period
If it is, it will end immediately and update the timing, and report the target information.
9.version history
Version time change content
V1.0 2023/2/15 initial draft.
V1.1 2023/3/23 The pin function of the module is changed, the default baud rate is changed to 115200, and the version of the host computer is updated
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