World’s Top 20 Electrical Engineering Project Ideas

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Engineers are always in search of projects, and finding meaningful projects makes that search worthwhile. Listed below are some electrical engineering project ideas for such engineers. A lot of them may deal in higher power than electronics engineers are used to, hence safety first.  These hand picked electrical engineering project ideas are simple as well as interesting.

Electrical Engineering Project Ideas: Dual axis solar tracker system

This system requires involvement of a wide range of engineering including mechanical electrical and electronics. The mechanical part would involve designing a smooth gear system to move as per requirement. The electrical part would be the working of solar panel and battery requirement. The electronics would involve designing the sensor system that would generate commands for the gear system to act accordingly. The system employs spur gear for the implementation of the dual axis solar tracker. The system is implemented using Atmel IC AT89C51.

This project is available at: Dual Axis solar tracker system

Automatic anchor light

Federal and international regulations require boats to carry lights during sunset, sunrise and at conditions with restricted visibility. The number and colors of light vary with the size of vessel. A masthead anchor light is out of fashion as it is too high above the water level. This makes it difficult to judge the position of the boat, especially in a pitch-dark anchorage. This project is a compact yet inexpensive automatic anchor light integrated with an ambient light sensor that turns it on and off automatically.

This project is available at: Automatic Anchor light

High-Impedance audio buffer with JFET

The buffer circuit described here is useful in enhancing the AC input impedance of audio amplifiers used with pickups in musical instruments. Signal sources for amplifiers and passive pickups for electric guitars require very high-impedance of over 5-mega-ohm. This can be achieved easily with junction field effect transistor (JFET) but may require special design of the printed circuit board (PCB), appropriate construction techniques of the box, proper cables and connectors. This project provides a solution for a high-impedance, low-cost, low-quiescent current, buffer-follower based on PN4393 JFET.

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This project is available at: High-Impedance Audio Buffer With JFET

PIN diode based fire sensor

This is an ultra-sensitive fire sensor that activates an alarm when it detects fire. In this circuit, a sensitive PIN diode is used as a fire sensor for longer-range fire detection. It detects visible light and infrared (IR) in the range of 430 nm – 1100 nm. Visible light and IR from the fire activate the sensor to trigger the alarm. It also detects sparks in the mains wiring and if these persist, it gives a warning alarm. The anode can easily be identified from the top-view flat surface of the photodiode. A small solder point to which a thin wire is connected is the anode and the other one is the cathode terminal.

This project is available at: PIN Diode Based Fire Sensor

Plus-minus 5V supply from 9V battery

Op-amps require dual-polarity supply for proper operation. When working with battery supply, it becomes difficult to get dual power supply for the op-amps. Presented here is a simple circuit that provides ±5V from a 9V battery. This is one of the interesting projects among Electrical Engineering Project Ideas. Op-amps require dual-polarity supply for proper operation. When working with battery supply, it becomes difficult to get dual power supply for the op-amps.

This project is available at: Plus-minus 5V Supply From 9V Battery

For more electrical engineering project ideas turn over to the next page.

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