Circuit Documentation

Summary

This circuit involves an Arduino UNO microcontroller interfacing with various sensors and a motor driver to control a DC gear motor. The sensors include two IR sensors and a tilt sensor. The motor driver used is an L298N DC motor driver. The Arduino reads the sensor inputs and controls the motor based on the sensor states.

Component List

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

L298N DC Motor Driver

• Description: A dual H-Bridge motor driver module that allows speed and direction control of two DC motors.
• Pins: OUT1, OUT2, 12V, GND, 5V, OUT3, OUT4, 5V-ENA-JMP-I, 5V-ENA-JMP-O, +5V-J1, +5V-J2, ENA, IN1, IN2, IN3, IN4, ENB

Gearmotor DC / Motorreductor

• Description: A DC gear motor used for driving mechanical systems.
• Pins: Pin1, Pin2

IR Sensor (x2)

• Description: An infrared sensor used for detecting objects or obstacles.
• Pins: out, gnd, vcc

Tilt Sensor

• Description: A sensor used to detect the tilt or orientation of an object.
• Pins: pin1, pin2

Wiring Details

Arduino UNO

• 5V: Connected to vcc of both IR sensors and pin2 of the tilt sensor.
• GND: Connected to gnd of both IR sensors.
• D7: Connected to out of the first IR sensor.
• D6: Connected to out of the second IR sensor.
• D5: Connected to IN3 of the L298N DC motor driver.
• D4: Connected to IN4 of the L298N DC motor driver.
• D3: Connected to ENB of the L298N DC motor driver.
• D2: Connected to pin1 of the tilt sensor.

L298N DC Motor Driver

• OUT3: Connected to Pin2 of the Gearmotor DC.
• OUT4: Connected to Pin1 of the Gearmotor DC.
• IN3: Connected to D5 of the Arduino UNO.
• IN4: Connected to D4 of the Arduino UNO.
• ENB: Connected to D3 of the Arduino UNO.

Gearmotor DC / Motorreductor

• Pin1: Connected to OUT4 of the L298N DC motor driver.
• Pin2: Connected to OUT3 of the L298N DC motor driver.

IR Sensor (1)

• vcc: Connected to 5V of the Arduino UNO.
• gnd: Connected to GND of the Arduino UNO.
• out: Connected to D7 of the Arduino UNO.

IR Sensor (2)

• vcc: Connected to 5V of the Arduino UNO.
• gnd: Connected to GND of the Arduino UNO.
• out: Connected to D6 of the Arduino UNO.

Tilt Sensor

• pin1: Connected to D2 of the Arduino UNO.
• pin2: Connected to 5V of the Arduino UNO.

Code Documentation

Arduino UNO Code

const int ir1 = 6;
const int ir2 = 7;
const int tilt = 2;
const int in1 = 3;
const int in2 = 4;
const int in3 = 5;

bool IsTilt = 0;
bool OnlyOneIR = 0;

void setup() {
  pinMode(ir1, INPUT);
  pinMode(ir2, INPUT);
  pinMode(tilt, INPUT);

  pinMode(in1, OUTPUT);
  pinMode(in2, OUTPUT);
  pinMode(in3, OUTPUT);
  
  Serial.begin(9600);
}

void loop() {
  int ir1State = digitalRead(ir1);
  int ir2State = digitalRead(ir2);
  int tiltState = digitalRead(tilt);

  IsTilt = (tiltState == 1);
  OnlyOneIR = (ir1State == 1 && ir2State == 1);

  Serial.print("IR1 State: ");
  Serial.print(ir1State);

  Serial.print("  IR2 State: ");
  Serial.print(ir2State);

  Serial.print("  Tilt State: ");
  Serial.print(tiltState);

  Serial.print("  IsTilt: ");
  Serial.print(IsTilt);

  Serial.print("  OnlyOneIR: ");
  Serial.println(OnlyOneIR);

  if (IsTilt && OnlyOneIR) {
    digitalWrite(in1, HIGH);
    digitalWrite(in2, LOW);
  } else {
    digitalWrite(in1, LOW);
    digitalWrite(in2, LOW);
  }

  delay(500);
}

IR Sensor Code

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

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

This documentation provides a comprehensive overview of the circuit, including a summary, detailed component list, wiring details, and the code used in the microcontroller.