Practical – smart traffic control with edge computing

In this practical, we will create a simple yet effective smart traffic control system using an ESP32 microcontroller. This project will utilize edge computing to analyze and optimize traffic flow at an intersection in real time. By the end of this practical, you will understand how IoT benefits from edge networks and learn how to architect simple edge deployments.

Assembling the circuit

Now, we must wire up the circuit. Instructions for doing so and a corresponding diagram have been provided for your convenience as follows:

Figure 6.6 – Connection diagram for the practical

1. Connect the ultrasonic distance sensor (HC-SR04) to the ESP32 device. Connect the VCC pin to 5V, GND pin to GND, Trig pin to pin 17, and Echo pin to pin 18 of the ESP32 module.
2. Connect the servo motor’s (SG90) VCC pin to 5V, GND pin to GND, and data pin to pin 16 on the ESP32 module.
3. Connect...