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Intel Edison Projects

You're reading from   Intel Edison Projects Build exciting IoT projects with Intel Edison

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Product type Paperback
Published in May 2017
Publisher Packt
ISBN-13 9781787288409
Length 264 pages
Edition 1st Edition
Languages
Concepts
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Author (1):
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Avirup Basu Avirup Basu
Author Profile Icon Avirup Basu
Avirup Basu
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Table of Contents (7) Chapters Close

Preface 1. Setting up Intel Edison FREE CHAPTER 2. Weather Station (IoT) 3. Intel Edison and IoT (Home Automation) 4. Intel Edison and Security System 5. Autonomous Robotics with Intel Edison 6. Manual Robotics with Intel Edison

Intel Edison code

For the Intel Edison, let's find out what is actually possible. We don't have a display, so we can rely only on console messages and LED, perhaps, for visual signals. Next, we may need to optimize the code to run on the Intel Edison. But first let's edit the code discussed previously to include an LED and some kind of messages to the picture:

import cv2 
import numpy as np
import sys
import os

faceCascade = cv2.CascadeClassifier('C:/opencv/build/haarcascade_frontalface_default.xml')
video_capture = cv2.VideoCapture(0)
led = mraa.Gpio(13)
led.dir(mraa.DIR_OUT)
while (1):
led.write(0)
# Capture frame-by-frame
ret, frame = video_capture.read()

gray = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)
faces = faceCascade.detectMultiScale(gray, 2, 4)
iflen(faces) > 0:
print("Detected")
led.write(1)
else:
print("You are clear...
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