EEEBot

As part of my first-year construction project, I built and programmed an autonomous robot using sensors and microcontrollers.

Skills Gained

Circuit building and soldering
Microcontroller programming (ESP32) s
Sensor integration (Ultrasonic, IMU)
Basic control systems (PID)
Communication protocols (I2C, MQTT)
Intro to computer vision with OpenCV

Key Features of My EEEBot

Line following with sensor array
Stops when obstacle is within 20 cm
Remote control via web interface
OpenCV image recognition (e.g., detects arrow direction)

Challenges & Lessons

Issues with motor speed mismatch
PID tuning complexity
HSV mismatch in image processing
Learned how to debug both hardware and software

Final Thoughts

Whilst this was a course-standard project, it gave me solid hands-on experience and built my confidence working with hardware and embedded systems.

Gallery

EEEBot robot overview

Full view of the autonomous EEEBot robot

OpenCV processed image

Processed image from OpenCV

Node-RED dashboard

Web interface for remote control using Node-RED

Terminal output

OpenCV arrow direction detection in terminal

System block diagram

Block diagram of the overall system

IR sensor array

IR sensor array used for line following with PID

Sensor circuit diagram

Circuit diagram for the IR sensor array