People counting machine

makehub

# Title 
People counting machine
# Picture 
media: undefined
# Objective
we are doing a machine that count people or other given thing   that are entering a certain place.
we are using light sensor (LDR) to count the entrance.
# Duration
3hours
# Age Group
all
# Materials
## light sensor ( LDR)
* description:
* quantity:0
* price:10€
* link:

## resistor
* description:undefined
* quantity:undefined
* price:undefined
* link:undefined

## servomotor
* description:undefined
* quantity:undefined
* price:undefined
* link:undefined

## breadboard
* description:undefined
* quantity:undefined
* price:undefined
* link:undefined

## Arduino
* description:undefined
* quantity:undefined
* price:undefined
* link:undefined

## light source
* description:undefined
* quantity:undefined
* price:undefined
* link:undefined

# Steps
## In starting , you fix the resistor and the light sensor(LDR) on the breadboard.
media: 

notes: This light sensor will detect the intensity in the entrance to get it like the basic data. This is because when a person or an object  passes through the entrance , there will be the change in the intensity of light . An

## connect the servomotor to the board.
media: undefined

notes: This servomotor will help to close  the door  when a desired number is reached. This servomotor will be connected to the door in order to push or pull .

## Place the light source
media: undefined

notes: At this point , you need to fix the light source  in front of the the light sensor  so that something can pass between them.

## The circuit is connected to the arduino .
media: undefined

notes: Before you connect both of them ( arduino and the rest of circuit ) , you should have first uploaded the program  to the arduino first and connect them after the upload .

## Lastly, you connect it to the power.
media: undefined

notes: The power source will be used to supply  power to the circuit . You can use  a battery or any other kind of source.

# Notes
The concept is that when something passes through the light sensor and the light source , the sensor feels that the intensity has decreased and the micro-controller will use that change as sign that something has passed and count it .

makehub.json

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