Espressif Systems ESP Faq page 145

Chapter 4. Software framework
4.10.11 Do ESP8266/ESP32/ESP32-S2/S3/C2/C3 support web/SoftAP provisioning?
Yes.
• For ESP8266, please refer to example
• For ESP32/ESP32-S2/S3/C2/C3, please refer to example
wifi_prov_mgr.
4.10.12 [Connect] How do ESP8266 and ESP32 hide SSID in SoftAP mode?
To hide ESP8266 or ESP32 as SSID in SoftAP mode, you can use the following methods:
• Use the esp_wifi_set_config()
whether to hiding them. For example, the following code sets the SSID to "MySoftAP", the
password to "MyPassword", and set .ssid_hidden = 1 to hide the SSID:
wifi_config_t config
.ap = {
.ssid =
.ssid_len
.password
.max_connection
.authmode
.ssid_hidden
},
};
esp_wifi_set_config(WIFI_IF_AP, &config);
Then use esp_wifi_start()
4.10.13 Does the buffer parameter in esp_wifi_802.11_tx interface include FCS?
No, the FCS frame is generated automatically by hardware.
4.10.14 What is the supported Wi-Fi frequency band and power meter for ESP-
WROOM-32D?
The Wi-Fi frequency band is 2412 ~ 2484 MHz, and the available channels and corresponding oper-
ating frequencies can be configured in software. There are default values in power meter, and it can
also be configured by software. For detailed guidance, please refer to
Configuration Guide.
4.10.15 What is the maximum value of ESP32 Wi-Fi RF power？
The output RF power of ESP32 can be set to 20 dBm at maximum. Please note that the maximum
output power may vary in different countires and regions. Please ensure that you comply with local
rules and regulations when using ESP32. In addition, high power output also influence battery life and
Wi-Fi signal stability. As a result, you should confirm the output power depending on applications and
requirements.
Espressif Systems
ESP8266
function to configure the SSID and password in SoftAP mode and
= {
"MySoftAP",
= strlen("MySoftAP"),
= "MyPassword",
= 4,
= WIFI_AUTH_WPA_WPA2_PSK
= 1
function to starts Wi-Fi.
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softap_prov.
ESP32/ESP32-S2/S3/C2/C3
ESP32 Phy Init Bin Parameter
128 Release master