Instruction

1. Open the provided Barradhan_pycode2.txt file.

2. Copy all the code inside the file.

Upload to Pico W

1. Connect your Raspberry Pi Pico W to your computer

2. Open Thonny IDE

3. Select interpreter:

1. Paste the code into Thonny

2. Save the file as:

Hardware Setup

Make sure all components are connected:

🔹 Motor (Drive)

• IN1 → Pin 2

• IN2 → Pin 3

🔹 Motor (Collector)

• IN1 → Pin 4

• IN2 → Pin 5

🔹 Servo (Steering)

• Signal → Pin 12

🔹 Ultrasonic Sensors

• Front → TRIG (Pin 6), ECHO (Pin 7)

• Left → TRIG (Pin 8), ECHO (Pin 9)

• Right → TRIG (Pin 10), ECHO (Pin 11)

(Optional rear sensor can be added)

Run the System

After saving as main.py:

1. Pico W will automatically start

2. It will create Wi-Fi hotspot:

1. Connect your phone/laptop to this Wi-Fi

2. Open browser and go to:

Control Modes

🔹 Manual Mode

• Use buttons or keyboard:

  • W → Forward

  • S → Backward

  • A → Left

  • D → Right

  • P → Stop

🔹 Auto Mode

• Boat will:

  • Move forward automatically

  • Detect obstacles using ultrasonic sensors

  • Reverse if blocked

  • Turn to the side with more space

    
    

Important Features

• Built-in Web Controller (no app needed)

• Auto obstacle avoidance

• Servo steering control

• Fail-safe: auto stop if no command (~1.4s)

• Collector motor always ON

Notes

• Adjust sensitivity here:

• Adjust timing:

• If motor direction wrong: