Name of the project: Obstacle detection using Arduino UNO board and Ultrasonic Sensors.
Objectives:
After finishing this project it will be used to:
1. To detect an obstacles .
2. To give an alarm for obstacles.
3. Blind man uses this for their walking stick.
4. Military can it for security.
Introduction:
1. Arduino UNO: Arduino/Genuino Uno is a microcontroller board based on the ATmega328P (datasheet). It has 14 digital input/output pins (of which 6 can be used as PWM outputs), 6 analog inputs, a 16 MHz quartz crystal, a USB connection, a power jack, an ICSP header and a reset button.
2. Ultrasonic Sensor (HC-SR04) : Ultrasonic range sensor(HC - SR04) provides 2cm - 400cm distance measurement function, the ranging accuracy can reach to 3mm. The modules includes ultrasonic transmitters, receiver and control circuit.
.
3. Buzzer: Buzzer is used for detection of obstacles. It will give an alarm.
Circuit Diagram:
Figure: Circuit diagram for detecting using Arduino UNO and Ultrasonic sensors.
Necessary Equipments:
1. Arduino UNO board.
2. Arduino 1.0.5 software
3. Aruino data cable
4. Ultrasonic sensors
5. Buzzer.
6. Connecting wires
7. Computer
8. Breadboard.
Working Principles:
1. At first the code was written in the Arduino 1.0.5
2. Then the code was burn into the Arduino board
3. Then the ultrasonic sensor and buzzer were connected
4. When an object comes into the sensor’s range , the sensors will sense it.
5. Then by code algorithm the buzzer will ring
6. Buzzer sound will be higher if the object will be near.
Cost:
|
Name
|
No of item
|
Price
|
|
Arduino UNO
|
1
|
600 /-
|
|
Arduino UNO Cable
|
1
|
50 /-
|
|
Ultrasonic Sensor
|
2
|
280 /-
|
|
Buzzer
|
1
|
20 /-
|
|
Arduino Software
|
1
|
Free
|
|
Breadboard
|
1
|
150 /-
|
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