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January 15, 2016 AT 1:00 pm

Self Driving Car With Raspberry Pi #piday #raspberrypi @Raspberry_Pi


Make a self driving toy car using Raspberry Pi, Arduino and an RC car. via zhengludwid

Objective

Modify a RC car to handle three tasks: self-driving on the track, stop sign and traffic light detection, and front collision avoidance.

System Design

The system consists of three subsystems: input unit (camera, ultrasonic sensor), processing unit (computer) and RC car control unit.

Input Unit

A Raspberry Pi board (model B+), attached with a pi camera module and an HC-SR04 ultrasonic sensor is used to collect input data. Two client programs run on Raspberry Pi for streaming color video and ultrasonic sensor data to the computer via local Wi-Fi connection. In order to achieve low latency video streaming, video is scaled down to QVGA (320×240) resolution.

Processing Unit

The processing unit (computer) handles multiple tasks: receiving data from Raspberry Pi, neural network training and prediction(steering), object detection(stop sign and traffic light), distance measurement(monocular vision), and sending instructions to Arduino through USB connection.

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