Circuit Documentation

Summary

This circuit involves an Arduino UNO microcontroller interfacing with multiple sensors and an LCD display. The sensors include IR sensors and HC-SR04 ultrasonic sensors, which are used for distance measurement and object detection. Additionally, a micro servo motor is controlled by the Arduino. The 16x2 I2C LCD is used to display information. The circuit is powered by the 5V and GND pins of the Arduino UNO.

Component List

1. Arduino UNO

   • Description: A microcontroller board based on the ATmega328P.
   • Pins: UNUSED, IOREF, Reset, 3.3V, 5V, GND, Vin, A0, A1, A2, A3, A4, A5, SCL, SDA, AREF, D13, D12, D11, D10, D9, D8, D7, D6, D5, D4, D3, D2, D1, D0

2. IR Sensor

   • Description: Infrared sensor for object detection.
   • Pins: out, gnd, vcc

3. 16x2 I2C LCD

   • Description: A 16x2 character LCD display with I2C interface.
   • Pins: GND, VCC, SDA, SCL

4. HC-SR04 Ultrasonic Sensor

   • Description: Ultrasonic sensor for distance measurement.
   • Pins: VCC, TRIG, ECHO, GND

5. Micro Servo 9G

   • Description: Small servo motor for precise control.
   • Pins: GND, +5V, PWM

Wiring Details

Arduino UNO

• GND is connected to:

  • GND of IR Sensor 1
  • GND of IR Sensor 2
  • GND of Micro Servo 9G
  • GND of 16x2 I2C LCD
  • GND of HC-SR04 Ultrasonic Sensor 1
  • GND of HC-SR04 Ultrasonic Sensor 2
  • GND of HC-SR04 Ultrasonic Sensor 3
  • GND of HC-SR04 Ultrasonic Sensor 4

• 5V is connected to:

  • VCC of 16x2 I2C LCD
  • VCC of IR Sensor 1
  • VCC of IR Sensor 2
  • +5V of Micro Servo 9G
  • VCC of HC-SR04 Ultrasonic Sensor 1
  • VCC of HC-SR04 Ultrasonic Sensor 2
  • VCC of HC-SR04 Ultrasonic Sensor 3
  • VCC of HC-SR04 Ultrasonic Sensor 4

• A4 is connected to:

  • SDA of 16x2 I2C LCD

• A5 is connected to:

  • SCL of 16x2 I2C LCD

• D11 is connected to:

  • PWM of Micro Servo 9G

• D10 is connected to:

  • out of IR Sensor 2

• D9 is connected to:

  • out of IR Sensor 1

• D8 is connected to:

  • ECHO of HC-SR04 Ultrasonic Sensor 4

• D7 is connected to:

  • TRIG of HC-SR04 Ultrasonic Sensor 4

• D6 is connected to:

  • ECHO of HC-SR04 Ultrasonic Sensor 3

• D5 is connected to:

  • TRIG of HC-SR04 Ultrasonic Sensor 3

• D4 is connected to:

  • ECHO of HC-SR04 Ultrasonic Sensor 2

• D3 is connected to:

  • TRIG of HC-SR04 Ultrasonic Sensor 2

• D2 is connected to:

  • ECHO of HC-SR04 Ultrasonic Sensor 1

• D1 is connected to:

  • TRIG of HC-SR04 Ultrasonic Sensor 1

IR Sensor 1

• gnd is connected to:

  • GND of Arduino UNO

• vcc is connected to:

  • 5V of Arduino UNO

• out is connected to:

  • D9 of Arduino UNO

IR Sensor 2

• gnd is connected to:

  • GND of Arduino UNO

• vcc is connected to:

  • 5V of Arduino UNO

• out is connected to:

  • D10 of Arduino UNO

16x2 I2C LCD

• GND is connected to:

  • GND of Arduino UNO

• VCC is connected to:

  • 5V of Arduino UNO

• SDA is connected to:

  • A4 of Arduino UNO

• SCL is connected to:

  • A5 of Arduino UNO

HC-SR04 Ultrasonic Sensor 1

• GND is connected to:

  • GND of Arduino UNO

• VCC is connected to:

  • 5V of Arduino UNO

• TRIG is connected to:

  • D1 of Arduino UNO

• ECHO is connected to:

  • D2 of Arduino UNO

HC-SR04 Ultrasonic Sensor 2

• GND is connected to:

  • GND of Arduino UNO

• VCC is connected to:

  • 5V of Arduino UNO

• TRIG is connected to:

  • D3 of Arduino UNO

• ECHO is connected to:

  • D4 of Arduino UNO

HC-SR04 Ultrasonic Sensor 3

• GND is connected to:

  • GND of Arduino UNO

• VCC is connected to:

  • 5V of Arduino UNO

• TRIG is connected to:

  • D5 of Arduino UNO

• ECHO is connected to:

  • D6 of Arduino UNO

HC-SR04 Ultrasonic Sensor 4

• GND is connected to:

  • GND of Arduino UNO

• VCC is connected to:

  • 5V of Arduino UNO

• TRIG is connected to:

  • D7 of Arduino UNO

• ECHO is connected to:

  • D8 of Arduino UNO

Micro Servo 9G

• GND is connected to:

  • GND of Arduino UNO

• +5V is connected to:

  • 5V of Arduino UNO

• PWM is connected to:

  • D11 of Arduino UNO

Documented Code

Arduino UNO Code (sketch.ino)

void setup() {
  // put your setup code here, to run once:

}

void loop() {
  // put your main code here, to run repeatedly:

}

Additional Documentation (documentation.txt)