Try to stop the WiFi completely before changing the channel:



WiFi.disconnect(true, true); // Disconnect and erase credentials
esp_wifi_stop(); // Stop the WiFi driver
esp_wifi_set_promiscuous(true);
esp_wifi_set_channel(WIFI_CHANNEL, WIFI_SECOND_CHAN_NONE);
esp_wifi_set_promiscuous(false);
esp ...

Hello,

I have an issue with changing WiFi channels if the ESP32 does not connect to the Wifi. I have made a code to illustrate my issue:

#include <WiFi.h>
#include <esp_wifi.h>

const char* ssid = "Test";
const char* password = "Test";
#define WIFI_CHANNEL 8

void ChangeChannel(){
esp_wifi_set ...

Hello,

I am trying to design a fancy switch. Pressing the switch sends a message to the master device via ESP NOW. I also want OTA capability via WiFi on that switch as it will be in a remote place. Because ESP NOW and WiFi cannot work at the same time, my idea is that every hour (SYSTEM_INTERVAL ...