Use a W600 device to create multiple custom WiFi access points, can be used for advertising.
Step 0: Compile and Download
wch@wch-pc /cygdrive/d/Project/sdk/example
$ ./build.sh beacon_spam flash COM3
start...
Step 1 : UART0 Printf
w600 beacon spam example, compile @Apr 19 2019 11:56:01
task start ...
Step 2:
Turn on the WiFi display on your computer or mobile phone
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