Hi. I'm looking into the response of the ESP32's WIFI. Using the example in esp-idf/examples/wifi/getting_started/station, I connected the ESP32 Devkit4 to the AP. I ran ping -i 0.2 192.168.0.160 from an Ubuntu machine (18.04LTS) connected to the AP, and here's the result. The average is about 1-4ms...

Google Translate. Hi. According to my research, at the time of purchase ESP32 has an interpreter for the SSC command written into it. This is the factory test firmware, so rewriting it should be fine. If you want to use AT commands on the ESP32, you can write AT firmware to the "ESP32-WROOM-32 AT Bi...

I hope you find this example helpful.
https://github.com/espressif/esp-idf/tr ... _rxtxtasks

Thanks Helen L and xcguang.
I understand that ESP-AT does not support multicast.
Using the given bin file, the AT + CIPSTART command definitely received the multicast.

I have a question about UDP multicast. Execute AT + CIPSTART = "UDP", "192.168.0.2", 0, 12345, 2 and OK will be displayed on the serial monitor. When I send UDP packets with PacketSender, + IPD, 5, hello is displayed. When AT + CIPSTART = "UDP", "239.192.1.2", 0, 12345, 2 is executed, the serial mon...