I am trying to connect my ESP32 to my Wifi Router using Arduino IDE but it is not connecting & giving a connection failed or disconnected status. I also confirmed it is scanning all the available Wifi Networks but not connecting to my router. I even tried with another ESP32 board but the problem is still there.
I tried this code below. This code would scan/give the available Wifi networks and it did. Also, I was expecting this code to run smoothly but my ESP32 won't connect to my Wifi router.#include<WiFi.h>const char *ssid = "my_SSID"; const char *password = "my_Password";void setup(){Serial.begin(115200);delay(2000);WiFi.mode(WIFI_STA);WiFi.disconnect();delay(100);Serial.println("scan start");// WiFi.scanNetworks will return the number of networks foundint n = WiFi.scanNetworks();Serial.println("scan done");if (n == 0) {Serial.println("no networks found");} else {Serial.print(n);Serial.println(" networks found");}// Connect to my network.WiFi.begin(ssid,password); // Check Status of your WiFi Connectionint x = WiFi.status(); // If x=3 (Connected to Network) & If x=6 (Disconnected from Network)Serial.print("WiFi Connection Status is ");Serial.println(x);while(WiFi.status() != WL_CONNECTED) {delay(1000);Serial.println("WiFi Connection Failed...");WiFi.disconnect();WiFi.reconnect(); }//Print local IP address and start web serverSerial.println("\nConnecting");Serial.println("");Serial.println("WiFi connected.");Serial.println("ESP32 IP address: ");Serial.println(WiFi.localIP());}void loop() {}1st image shows the output of my serial monitor. 2nd inamge shows the return value for WiFi.status function
Best Answer
Try this code:
#include<WiFi.h>const char *ssid = "YourSSID"; const char *password = "YourPassword";void initWiFi() {WiFi.mode(WIFI_STA);WiFi.begin(ssid, password);Serial.print("Connecting to WiFi ..");while (WiFi.status() != WL_CONNECTED) {Serial.print('.');delay(1000);}Serial.println(WiFi.localIP());}void setup() {Serial.begin(115200);initWiFi();Serial.print("RRSI: ");Serial.println(WiFi.RSSI());}void loop() {// put your main code here, to run repeatedly:}I was just having this same issue. I found that, for me, the issue was not in the ESP32. It was the WiFi Router. I had the security on the router set to 'WEP' in the router. When I changed the security to 'WPA2-PSK' the ESP32 device connected right away.