ee-241. introductory electronics laboratory project ideas · • implementing a basic electronic...

EE-241. Introductory Electronics Laboratory

Project Ideas Fall 2009

EASY TO MODERATE

1. Musical notes display

In this project students would build a display unit that will show high and low

frequency sounds in a song.

Mentor: Syed Abdullah Nauroze

2. Spy Microphone

In this project students will make a portable parabolic microphone that would gather

and deliver amplified sound to the earphones. It will enable one to hear feeble sounds

at a distance.


3. Waveform generator

Make your own signal generator.

Mentor: Syed Abdullah Nauroze, Kashif Rahim

4. Three Band Audio Mixer & Equalizer

Students should do:

• Design an electronic circuit to mix audio signals.

• Implement audio equalization.

Mentor: Zain Ahmed

5. Voice Over Circuit

Students should do:

• Understand the concept of signal prioritization

• Design of a basic electronic circuit where we can prioritize a particular

audio signal over all other audio signals through switching.

Mentor: Zain Ahmed

6. Schmidt Trigger

Students should do:

• Basic understanding of Schmidt Trigger

• Design of Schmidt Trigger using Op Amp

Mentor: Zain Ahmed

7. Temperature Measurements

Students should do:

• Basic understanding of thermistors

• Implementing a basic electronic circuit of a temperature sensor using

thermistors

Mentor: Zain Ahmed

8. Low Voltage Alarm

Design a circuit to monitor the input voltage and should indicate if the voltage drops a

certain threshold value.

Mentor: Farhan Ateeq

9. Traffic Lights

Design a simple traffic lights model for two streets. If one of them sees a red signal

then the other one should see green. After certain time delay signals should switch.

You can be more innovative by adding an additional button for the pedestrians; its

purpose could be to have both the signals to be red to safely cross the road.


10. Wireless FM Microphone

Transmit the microphone generated signals through FM techniques. Tune a simple

FM radio to hear the transmitted signals.


11. Light Dependent Switch

Design a circuit which should work as a switch depending on the brightness of the

surroundings. A typical application could be to automatically turn ON the street lights

when it gets dark.


12. Cassette Player Amplifier

Cassettes have a magnetically polarized tape. A simple cassette player has a magnetic

head which reads the tape and generates signals. Pick any broken walkman/cassette

player; you can use its head and the mechanical functioning. Use the generated

signals to drive them into your designed circuit where you have to amplify them to

hear them properly either on a low power speaker or earphones.


13. AM Modulator

Student Should do:

• Modulation of a two sine wave.

• Design the carrier band and a local oscillator for modulation .

Mentor: Syed Atif Adnan

14. Voltage Controlled Oscillators

• This project utilizes the usefulness of Schmitt triggers and buffer

• A VCO is a circuit that provides an oscillating output signal (typically

of square-wave or triangular waveform) whose frequency can be

adjusted over a range by a dc voltage.

Mentor: Kashif Rahim

15. Two way Intercom

Students should do:

• Design two independent audio amplifiers for a two way intercom.

Mentor: Mohammad Ali

16. IR Remote Control

Students should do:

• Design an electronic circuit to operate general purpose relays.

• Tie up these relays to household equipment.


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17. Digital Voltmeter

Students should do:

• Design an analog-to-Digital convertor and use it to make a digital

voltmeter.


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HARD AND CHALLENGING

1. Pulse Oximetry and Physiological Measurements

Students should do:

• Design an electronic circuit to obtain a pulse Oximetry signal.

• Measure Oxygen saturation level of human blood and Blood speed using

analog signal processing.

Mentor: Umer Siddiqui

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2. Heart Beat Rhythms

Students should do:

• Design a simple electronic circuit to get the heart beat rhythms using

microphone and stethoscope.

• Measure and display the heart rate.


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3. Noise Generator

Students should do:

• Design a Pseudo Random Bit Sequence (PRBS) Generator.

• Generating White noise using the above PRBS generator by appropriate

filtering.


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4. Simulating an artificial neural network

Students should do:

• Basic understanding of a mathematical neuron. Implementing a neuron for

some specified application (e.g. generating a sine wave) using simple and

basic electronics.

• Making a network of electronic neurons for cognitive tasks.


5. FM phone transmitter

The FM phone transmitter is a passive device that uses the signals from the phone

line for power. This device will be able to transmit signals at a short distance over the

phone line.


6. DC Motor Driver

Students should do:

• Understand the working of DC Motor & the parameters governing its

speed control

• Design a simple electronic circuit that drives a DC Motor.

Mentor: Zain Ahmed, Syed Atif Adnan

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7. Regulated Power Supply

Students should do:

• Design a regulated DC power supply with appropriate voltage regulation

.

Mentor: Zain Ahmed, Kashif Rahim

8. Cell phone Call Detector

If a cell phone is placed near any audio system we may hear a flickering noise for any

incoming calls. This is due to interference of the incoming signals. Design a circuit

which can use these incoming signals to detect any incoming calls.


9. USB Battery Charger

If you cut any USB cable it will have four wires. One of them is ground and the

others may have different potentials usually +5V depending on different standards

and applications. You can use these standards to design a lithium ion battery charger

circuit.


10. Analog Computers: Computing before the digital age

Student should do:

• Make programmable analog circuits capable of solving algebraic and

differential equations.

Mentor: Hasan Arshad Nasir

11. Infra-Red Remote controller

• The transmitter and receiver of IR will be studied in detail

• The circuits will comprise of Transistors and op-amps so far studied in the

lab

• The modulation and demodulation should be considered in order to make

our signals stand out above noise

Mentor : Kashif Rahim

ee-241. introductory electronics laboratory project ideas · • implementing a basic electronic...

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