Hello, There is following code [Codebox] #include <AWS_IOT.h> #include <WiFi.h> #include "time.h" #include <stdio.h> #include <esp_bt_main.h> #include <esp_bt.h> #include <esp_wifi.h> char WIFI_SSID[]="zzz"; char WIFI_PASSWORD[]="zzzz"; void callback(){ //placeholder callback function } void setup()...