we want to build a system where we let an IR-sensor ‘‘cooperate’’ with a camera. The idea is that when the sensor detects some form of life, it gives a signal, and we want that signal to trigger a camera and make a picture using arduino. Our problem is that I don't how to connect sensor with camera when object is detected.
We’ve already did some research, came up with ,how to connect camera with the arduino and but we still can't found how to connect ir sensor with camera when object is detected.
camera - ov7670
board - arduino Uno
sensor -ir module or pir sensor
ic- 555 timer PLEASE HELP ME BY GIVING SOME IDEAS ABOUT IT AND I WANT TO MY DISCLOSURE MY PROJECT BEFORE 20.02.22 TO MY COLLEGE
Why do you need a timer IC? You can do timings with the Arduino.
Your topic has been moved to a more suitable location on the forum. Installation and Troubleshooting is not for problems with (nor for advise on) your project See About the IDE 1.x category.
You connect the camera to the Arduino. Arduino commands the camera to take a picture. That part you have sorted, right?
You connect the sensor to Arduino!
Arduino should notice when the sensor detects something. Some digital pin goes from HIGH to LOW or the other way around. Or some analog pin changes its value over (or below) a threshold.
When you sort that out, you combine the two tasks in your Arduino code.
the above link is the what we shown to the faculty then they ask us to add some features in that. we decided to add camera in that but 555 timer must present
And you want to add the camera to it. The line that goes from 1 of OpAmp to 4 of 555 timer is what you want to hi-jack. Have a digital pin of your Arduino read it.
The purpose of the 555 is to produce the frequency for the speaker, right? Or could it be that you are supposed to abandon the speaker and make the 555 operate the camera instead? In that case the whole discussion is out of this Arduino forum.
Yes have what sense ,it correct instead trigger buzzer ,trigger a camera, once a camera is triggered it capture a photocopy send to laptop or moblie by using Arduino.
You trigger your Arduino and as a result the Arduino will request am image from the camera; it's the only way that I can see how you can obtain an image as there is no trigger input in the OV7670.
I do not know what "processing" implies, but if it's digital image processing an Uno is definitely not the right board.
Sure the requirements can't be that the 555 operates the buzzer and the camera and whatnot, while you also include an Arduino! Don't build a stupid design. Build a smart one.
My idea is about when this device(i.e what can i going to do)is place infront of door ,if anyone come infront of the door ,IR sensor in the device received gets reflected signal jwhen object is there. Then reflected signal trigger the camera to take pic of the person or any other object then image which has been processed through Arduino and display through laptop or moblie.
I use IR to detect various sized animals and differentiate between 'human' and animal and if 'human' is detected do a thing.
I use 2 AMG88XX grid eye IR cameras to make a single image that is sent to KNN ML routines to do the differentiation with about a 90% accuracy of determination.
A single IR beam is going to do beam/break beam quite well.
See 
