ECE497 Project Electric Car

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thumb‎ Embedded Linux Class by Mark A. Yoder

Team members: Junxuan Hou, Zhen Wei

Grading Template

I'm using the following template to grade. Each slot is 10 points. 0 = Missing, 5=OK, 10=Wow!

00 Executive Summary
00 Installation Instructions 
00 User Instructions
00 Highlights
00 Theory of Operation
00 Work Breakdown
00 Future Work
00 Conclusions
00 Demo
00 Late
Comments: I'm looking forward to seeing this.

Score:  10/100

(Inline Comment)

Executive Summary

This project interfaces the Beaglebone with motor-based electronic mini-car. The gpio pins are used to control the motor on the car to remote it. Some additional interfaces, such as a IR sensor to control the moving direction of the car, and an analog input to control the speed of the car, are considered to be done based on the progress of the project.

Currently we have the small car which can be controlled by keyboard, or IR sensor. With the keyboard controlling, the car can go foreword and backward, make a turn to both right and left. With the IR sensor controlling, the car can keep space before the barrier in front of item.

At first, we use the H-bridge to control four motors which connect to four wheels for the car. And use the GPIO pins to control this H-bridge. And then use a analog input pin to get the signal feedback from the IR sensor.

Depending on the time, in the feature time, there are lots of works can be done for this robot car.


Parts List:

Parts Quantity
Robot Car Kits 1
Beaglebone 1
sharp 2d120x f IR sensor 1
L293 H-Bridge Chip 1
1N4004 Diodes 8
100 ohm Resistors 2
On/Off Switch 1


Soldering the L293 H-bridge chip, rsistors, and diodes together. And put the control board on the car.

Connect the motor to the control board.

Glue the IR Sensor in front of the car.

Connect both on/off switch and IR sensor to the beaglebone.

wire eveything to the beaglebone.

Our Electric Robot Car is ready to go.

Installation Instructions

The Github Link for this project is

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User Instructions

  1. Login to the Beaglebone and open the project folder.
  2. $beagle ./ECar to run the keyboard control model.
  3. $beagle ./GoForwordwithSensor to run the IR sensor control model.

At the keyboard control model

  • 'w'----go forward
  • 'x'----go backward
  • 'a'----turn left
  • 'd'----turn right
  • 's'----stop


At this time, this Electric Car can only controlled by keyboard, and run forward and backward to keep the space between item and the barrier in front of item.

The YouTube video to show the demo.

Theory of Operation

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Work Breakdown

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Future Work

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thumb‎ Embedded Linux Class by Mark A. Yoder