Connect the HC-SR04 ultrasonic sensor to the ESP32 as follows: VCC to 5V (or 3.3V if your sensor supports it) GND to GND TRIG to a GPIO pin (e.g., GPIO_TRIGGER) ECHO to a GPIO pin (e.g., GPIO_ECHO) ...

The ESP32 will connect to this network, which is essential for sending data to the AWS cloud. In the setup() function, the WiFi.begin() command attempts to establish the connection, and the loop waits ...