Chengdu Ebyte Electronic Technology Co., Ltd.
NB144 User Manual
Copyright ©2012
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Chengdu Ebyte Electronic Technology Co., Ltd.
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broadcast on the entire network segment, but the sending and receiving devices need to ensure that
the ports are consistent, and the device can also receive broadcast data .
[Note] In UDP mode, the data sent by the network to the device should be less than 5 12B it per packet, otherwise it
will cause data loss.
4.4.5 HTTP client _
This mode can realize HTTP automatic package function, and provides two methods of GET and POST.
Customers can configure URL, Header and other parameters by themselves, and the device will send the package to
realize fast communication between serial port data and HTTP server. URL and Header It supports up to 128 bytes
of data, and the 4 channels can independently open the HTTP client mode without affecting each other.
The HTTP request data should be smaller than the packet length (5 to 12 bytes), otherwise the device will
divide the request data into multiple packets for request, resulting in abnormal request.
supports configuring whether to return the HTTP protocol header, and the returned data is shown in the figure
below:
