6. Assignment / Tutorial

Assignments

Assignment – 1

• Define embedded system. Give any two examples of embedded systems used in

medical devices.

• Differentiate between embedded system and general-purpose computer.

• Write short note on characteristics of embedded systems.

• List the major components of an embedded system.

• Define microcontroller. Write any two applications of PIC microcontroller.

• What is watchdog timer? Why is it used in embedded systems?

• List different types of memory available in PIC18F458 microcontroller.

• Define oscillator circuit in microcontroller.

• Explain classification of embedded systems with suitable examples.

• Explain the architecture of PIC18F458 microcontroller in brief.

• Describe the pin diagram of PIC18F458 microcontroller.

• Explain program memory and data memory organization of PIC18F458.

• Explain timer module of PIC18F458 microcontroller.

• Write short note on reset circuit and oscillator circuit of PIC18F458.

• Explain I/O port configuration in PIC18F458.

• Explain the role of PIC development tools in embedded system design.

• Explain the architecture of PIC18F458 microcontroller with neat block diagram.

• Explain memory organization of PIC18F458 in detail.

• Describe configuration registers of PIC18F458 and their importance in microcontroller

programming.

• Explain timers, watchdog timer, oscillator and reset circuits of PIC18F458.

• Explain the complete development process of PIC-based embedded system using

suitable tools.

• Compare microprocessor and microcontroller in detail.

• Design a simple PIC18F458-based embedded system for temperature monitoring and

explain its block diagram.

• Explain the role of embedded systems in biomedical and medical devices with suitable

examples.

Assignment – 2

•        Define data type in C. List different data types used in embedded C.

•        Write the syntax of delay function used in PIC programming.

•        What is bit-addressable I/O programming?

•        List the steps for configuring a port as input or output in PIC18F458.

•        What is relay interfacing? Why is driver circuit required?

•        Write a C program to toggle an LED connected to PIC18F458.

•        Explain switch interfacing with PIC18F458 using suitable diagram. Also write a C program.

•        Explain 7-segment display interfacing with PIC18F458. Also write a C program.

•        Explain ADC interfacing with PIC18F458 microcontroller. Also write a C program.

•        Explain LCD interfacing in 4-bit mode with PIC18F458. Also write a C program.

•        Explain keypad interfacing with PIC18F458. Also write a C program.

•        Write an embedded C program to interface switch and buzzer with PIC18F458. Buzzer should turn ON when switch is pressed.

•        Design a PIC18F458-based temperature monitoring system using LM35 sensor and LCD. Explain hardware connections and write the program.

Assignment – 3

•        What is Raspberry Pi? Write any two applications.

•        List different generations/models of Raspberry Pi.

•        List any four operating systems supported by Raspberry Pi.

•        What is SSH? Why is it used in Raspberry Pi?

•        What is VNC? Write its application.

•        List basic safety precautions while handling Raspberry Pi.

•        Compare Raspberry Pi with microcontroller.

•        Explain Raspberry Pi architecture in brief.

•        Explain memory organization of Raspberry Pi.

•        Explain GPIO pin configuration of Raspberry Pi.

•        Explain common Linux commands used in Raspberry Pi terminal.

•        Explain Raspberry Pi 5 architecture with neat block diagram.

•        Write a Python program to blink an LED connected to Raspberry Pi GPIO pin. Explain the circuit and program.

•        Write a Python program to read switch input and control LED using Raspberry Pi GPIO.

•        Design a Raspberry Pi-based patient monitoring system and explain its hardware and software workflow.  

Assignment – 4

•        Write a Python program to interface LED, switch and buzzer with Raspberry Pi. Buzzer should turn ON when switch is pressed.

•        Explain ultrasonic sensor interfacing with Raspberry Pi and write a Python program to measure distance.

•        Explain DHT11 sensor interfacing with Raspberry Pi and write a Python program to display temperature and humidity.

•        Explain PIR sensor interfacing with Raspberry Pi and write a Python program for motion detection.

•        Explain relay interfacing with Raspberry Pi and write a program to control a device using relay.

•        Explain servo motor interfacing with Raspberry Pi and write a Python program to rotate servo at 0°, 90° and 180°.

•        Explain stepper motor interfacing with Raspberry Pi using driver circuit and write a program for clockwise and anticlockwise rotation.

•        Design a Raspberry Pi-based automatic sanitizer dispenser using ultrasonic sensor and servo motor. Explain block diagram, working and program logic.

Assignment – 5

•      List basic image processing operations.

•      Define image resizing and cropping.

•      What is thresholding?

•      Define edge detection.

•      What is contour detection?

•      Explain installation of OpenCV on Raspberry Pi.

•      Explain image reading, displaying and saving using OpenCV.

•      Explain image resizing, cropping and rotation with suitable examples.

•      Explain grayscale and negative image conversion.

•      Explain image thresholding and image filtering.

•      Explain OpenCV installation and configuration on Raspberry Pi.

•      Write a Python program using OpenCV to read an image, convert it into grayscale and display the output.

•      Explain thresholding techniques and write a Python program for binary thresholding.

•      Explain edge detection and contour detection with suitable OpenCV program.

•      Write a Python program to capture real-time video using Pi Camera and display it on screen.

•      Explain arithmetic and bitwise operations on images with suitable examples.

•      Design a Raspberry Pi-based real-time object detection system. Explain camera interfacing, image acquisition, preprocessing and result display.