Final Year Project: Pick and Place Robot

Pick and Place Robot

The project is designed to develop a pick and place robotic vehicle with a soft catching gripper. The project will include development of an android app and mobile robot which will be able to move objects from one place to another. Thus controlling the vehicle remotely. Remote operation is achieved by any smart-phone/Tablet etc., with Android OS; upon a GUI (Graphical User Interface) based touch screen operation. This prototype will pave path for real life models using the same concept.  

The vehicle will be controlled by the android application device at the transmitting end, which will send signal i.e. ASCII code, to Bluetooth module (HC-05) which is employed as an interface between Mobile and vehicle (robot). The microcontroller is coded using AVR Studio for controlling of the motors, both to move the robotic vehicle and to control the gripping of the objects through the arm.

Steps for Designing :-

Step 1:- Component name.

1. ARDUINO MICROCONTROLLER DEVELOPEMENT BOARD.
2. L293D MOTOR DRIVER IC/L298N MODULE.

3. 7805 POWER SUPPLY IC.

4. DC MOTOR.
5. SERVO MOTOR.
6. ROBOTIC ARM GRIPPER
7. BLUETOOTH DEVICE.
8. ROBOT BODY
9. WHEEL.
10. BATTERY. 

Bluetooth app setup :- bluetooth-app-setting

Component images

     

Arduino UNO 

L298N Motor driver module

Servo Motor

Gripper

Bluetooth Module HC05

Robot Body

Step:-2 Circuit Diagram.

Step:-3 Source Code.

#define m11 8 #define m12 9 #define m21 10 #define m22 11 #define m31 6 #define m32 7 #define m41 12 #define m42 13 char str[2], i; void forward() { digitalWrite(m11, HIGH); digitalWrite(m12, LOW); digitalWrite(m21, LOW); digitalWrite(m22, HIGH); } void backward() { digitalWrite(m11, LOW); digitalWrite(m12, HIGH); digitalWrite(m21, HIGH); digitalWrite(m22, LOW); } void left() { digitalWrite(m11, LOW); digitalWrite(m12, HIGH); delay(100); digitalWrite(m21, LOW); digitalWrite(m22, HIGH); } void right() { digitalWrite(m11, HIGH); digitalWrite(m12, LOW); delay(100); digitalWrite(m21, HIGH); digitalWrite(m22, LOW); } void Stop() { digitalWrite(m11, LOW); digitalWrite(m12, LOW); digitalWrite(m21, LOW); digitalWrite(m22, LOW); } void Start() { digitalWrite(m31, LOW); digitalWrite(m32, LOW); digitalWrite(m41, LOW); digitalWrite(m42, LOW); } void Up() { digitalWrite(m31, HIGH); digitalWrite(m32, LOW); } void Pick() { digitalWrite(m41, HIGH); digitalWrite(m42, LOW); } void Free() { digitalWrite(m31, LOW); digitalWrite(m32, HIGH); } void Down() { digitalWrite(m41, LOW); digitalWrite(m42, HIGH); } void setup() { Serial.begin(9600); pinMode(m11, OUTPUT); pinMode(m12, OUTPUT); pinMode(m21, OUTPUT); pinMode(m22, OUTPUT); pinMode(m31, OUTPUT); pinMode(m32, OUTPUT); pinMode(m41, OUTPUT); pinMode(m42, OUTPUT); } void loop() { while (Serial.available()) { char ch = Serial.read(); str[i++] = ch; if (str[i - 1] == '1') { Serial.println("Forward"); forward(); i = 0; } else if (str[i - 1] == '2') { Serial.println("Left"); right(); i = 0; } else if (str[i - 1] == '3') { Serial.println("Right"); left(); i = 0; } else if (str[i - 1] == '4') { Serial.println("Backward"); backward(); i = 0; } else if (str[i - 1] == '5') { Serial.println("Stop"); Stop(); i = 0; } else if (str[i - 1] == '6') { Serial.println("Start"); Start(); i = 0; } else if (str[i - 1] == '7') { Serial.println("Up"); Up(); i = 0; } else if (str[i - 1] == '8') { Serial.println("Pick"); Pick(); i = 0; } else if (str[i - 1] == '9') { Serial.println("Free"); Free(); i = 0; } else if (str[i - 1] == '0') { Serial.println("Down"); Down(); i = 0; } delay(100); } }

Step:-4 Complete assembled robot images.

Download Source code and Circuit layout:- DOWNLOAD

Thank you!
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