: Open Proteus and launch the Schematic Capture workspace.
If your code attempts to connect to a Wi-Fi network ( WiFi.begin() ), the simulation may hang or the virtual microcontroller will simply fail to find a network. Proteus does not currently have a virtual router or TCP/IP stack environment to simulate internet connectivity. proteus esp32 simulation
Serial.println("LED OFF"); digitalWrite(LED_PIN, LOW); delay(1000); : Open Proteus and launch the Schematic Capture workspace