Raspberry Pi projects for Engineering Students

📘 Raspberry Pi Projects for Beginners

1. LED Blinking with GPIO

An LED is connected to a GPIO pin and toggled ON and OFF at regular intervals using a Python script, demonstrating basic GPIO functionality.

2. DHT11 Temperature Monitor

The DHT11 sensor provides real-time temperature and humidity readings. The data is fetched through Python and displayed on the terminal.

3. Push Button Counter

Each press of the push button is detected via GPIO input. The count is incremented and displayed on an LCD or serial monitor.

4. Motion-Activated LED

A PIR sensor detects motion and signals Raspberry Pi to turn ON an LED for a fixed duration, creating a motion-sensing light system.

5. Home Automation with Relay

A relay module is controlled by Raspberry Pi to switch AC appliances ON or OFF via GPIO, often integrated with a simple user interface.

6. Simple Buzzer Alarm

A buzzer is activated through a GPIO pin based on sensor input or button press. It produces sound as an alert mechanism.

7. Light Intensity Detector

An LDR, connected via an ADC module, measures ambient light levels. Raspberry Pi reads the analog values and displays intensity data.

8. Digital Thermometer Using DS18B20

The DS18B20 sensor sends digital temperature data to Raspberry Pi, which is read through 1-Wire protocol and logged in a file.

9. Distance Meter with Ultrasonic Sensor

The HC-SR04 sensor emits sound pulses and measures echo time to calculate distance, which is displayed in centimeters on the screen.

10. TV Remote Emulator

Using an IR LED and LIRC software, Raspberry Pi transmits remote control signals to operate electronic devices like TVs and air conditioners.

11. Digital Clock with RTC Module

The DS3231 RTC module provides real-time clock data. Raspberry Pi reads time via I2C and displays it on a 16×2 LCD.

12. Automatic Fan Using DHT11

Temperature readings from the DHT11 sensor determine whether the fan, controlled via relay, is turned ON or OFF automatically.

13. Basic Line Follower Robot

Two IR sensors detect black lines on the ground. The Raspberry Pi processes the signals to drive motors accordingly, following the path.

14. Mini Weather Station

Sensor data from DHT11 and BMP180 is collected to display temperature, humidity, and pressure values on an LCD in real time.

15. LCD Display with Raspberry Pi

A 16×2 LCD connected through an I2C interface displays custom messages, system stats, or sensor values using Raspberry Pi.

🌐 Raspberry Pi IoT Projects

16. IoT Smart Home System

Relays connected to Raspberry Pi control home appliances, with commands received over Wi-Fi from a smartphone app like Blynk.

17. IoT-Based Weather Station

Temperature, humidity, and pressure readings are collected by sensors and transmitted to cloud platforms such as Firebase or Thingspeak.

18. Smart Energy Meter

Current sensors measure energy usage and send the data wirelessly to a cloud-based dashboard for monitoring and record-keeping.

19. IoT Door Lock with Face Detection

A camera captures facial images. If recognized, Raspberry Pi unlocks the door using a servo motor and logs the event.

20. IoT Water Quality Monitoring

Sensors measure pH, TDS, and temperature. Raspberry Pi reads the data and sends it to a cloud platform for remote access.

21. Smart Garbage Bin

An ultrasonic sensor detects nearby objects, triggering a servo to open the bin lid. The system tracks usage statistics if needed.

22. IoT Home Security System

PIR sensors and magnetic door contacts detect intrusion. Raspberry Pi sends real-time alerts to users through cloud services.

23. Real-Time Air Quality Monitor

The MQ135 sensor measures gases like CO2 and NH3. Data is processed and sent to the cloud with alerts for poor air quality.

24. IoT Smart Parking System

Sensors detect vacant or occupied parking slots. The data is sent to a server or app to help users find available spots.

25. IoT-Based Water Tank Level

An ultrasonic sensor mounted on top of the tank measures water level. Data is transmitted to a mobile dashboard for remote monitoring.

26. Remote Patient Monitoring

Sensors track vital signs such as temperature and pulse. Raspberry Pi transmits data to a web platform for doctors and caregivers.

27. IoT Doorbell Notification

A pushbutton activates Raspberry Pi to send a real-time notification via Firebase or email when someone rings the doorbell.

28. IoT Smart Light Control

Light activation is based on motion, time, or app control. GPIO pins control relays connected to the lighting circuit.

29. Wi-Fi Controlled Fan System

Fan speed is adjusted using PWM signals. Raspberry Pi receives speed commands from a mobile app over Wi-Fi.

30. Smart Mirror with Live Widgets

A screen behind a two-way mirror shows calendar events, weather updates, and news, fetched from the internet using APIs.

🎓 Raspberry Pi Final Year Engineering Projects

31. Smart Irrigation System

Soil moisture sensor readings control a relay to activate irrigation pumps. Data is also logged for analysis.

32. Smart Traffic Control

IR sensors measure vehicle flow at intersections. Raspberry Pi changes traffic light timing based on congestion levels.

33. Health Monitoring Dashboard

Vital parameters like heart rate and temperature are collected from sensors and displayed on a health dashboard accessible online.

34. Face Mask Detection System

A camera captures images, and a trained model detects whether a mask is worn. Alerts are triggered if no mask is detected.

35. AI Voice Assistant

Voice input is processed using speech recognition. Commands control GPIO appliances and responses are generated using text-to-speech.

36. Face-Based Attendance System

Facial images are captured and matched with a database. Attendance is marked and stored with timestamps for each detection.

37. Smart Voting System

Biometric sensors authenticate users. Votes are cast via touchscreen and stored securely in a local or cloud-based database.

38. Smart Helmet for Accident Detection

An accelerometer detects sudden impact. Raspberry Pi sends SMS with location via GSM and GPS modules in case of accidents.

39. Real-Time Bus Tracking

GPS module sends location coordinates to Raspberry Pi, which updates the position on Google Maps for live tracking.

40. RFID-Based Smart Access System

Users tap RFID cards to gain access. Raspberry Pi verifies tag ID and activates a door lock while logging the entry.

41. Raspberry Pi Drone Control

Flight instructions are sent via Wi-Fi or Bluetooth. Raspberry Pi processes input and adjusts drone motors for movement.

42. AI-Based Emotion Recognition

A camera captures facial expressions, which are analyzed using machine learning to detect emotions like happy, sad, or angry.

43. Automated Toll Collection

RFID tags in vehicles are read at toll booths. Raspberry Pi processes data and deducts toll amount automatically.

44. Smart Attendance via QR Code

Students scan QR codes using a camera. Raspberry Pi decodes and records the data for attendance management.

45. Smart Campus Navigation System

GPS data and digital maps help users navigate large campuses. Raspberry Pi provides step-by-step directions via screen or audio.

🔍 Real-World Raspberry Pi Applications

46. Smart Mirror for Offices

Calendar events, reminders, and news headlines are displayed on a smart mirror screen for daily use in professional environments.

47. Motion Detection Surveillance System

A PIR sensor detects motion and triggers the Pi camera to record footage, which is saved locally or sent via email.

48. Raspberry Pi Web Server

Flask or Apache server is installed to host websites, allowing the Raspberry Pi to serve static or dynamic web pages.

49. Portable Media Center

Raspberry Pi runs Kodi or OSMC to stream music, videos, or YouTube content, converting any display into a media hub.

50. AI Chatbot Using Pi

A Python-based chatbot with NLP capabilities responds to text or voice input, providing conversational interaction or simple task execution.