Add https://raw.githubusercontent.com/espressif/arduino-esp32/gh-pages/package_esp32_index.json to:
menu bar > File > preferences
now go to the board manager tab and install esp32 by espressif systems
download https://github.com/yoursunny/esp32cam as zip and in arduino IDE
menu bar > sketch > Include library > Add .zip library > select downloaded zip
after all this, select board `AI Thinker ESP32-CAM` and upload `arduino IDE\esp32cam\esp32cam.ino` to the esp32cam
possible resoltions are 160x120, 176x144, 240x176, 320x240, 400x296, 640x480, 800x600, 1024x768, 1280x1024, 1600x1200, change according to preference in the code
Install `AccelStepper` library and change stepper and traffic light pins according to your own wiring
Upload code
Install python from https://www.python.org/downloads/ and make sure to check `Add to PATH` during installation
Go to the upper most directory of this project and where all folders can be seen and run
`pip install -r requirements.txt` to install all the required python libraries
open serial monitor at 115200, it will ask for wifi name and password, after connecting it will print the page link where it updates the camera stream
open serial monitor at 9600, try different command likes T, R, C1, etc to check working of all components close serial monitor
change image url at line 18 in traffic_control.py according to the one given by the esp32
go to the Traffic Monitor folder and open cmd, run py traffic_control.py