Circuit Documentation

Summary

This circuit integrates various components controlled by an Arduino Nano microcontroller. It includes two HC-SR04 Ultrasonic Sensors for distance measurement, a buzzer and a buzzer module for audio feedback, a vibration motor for haptic feedback, a 9V battery with a voltage regulator to provide a stable power supply, and a rocker switch to control power flow. The circuit is designed to interact with the environment by measuring distances and providing alerts through sound and vibration.

Component List

HC-SR04 Ultrasonic Sensor

• Description: An ultrasonic distance sensor that uses sonar to determine the distance to an object.
• Pins: VCC, TRIG, ECHO, GND

Arduino Nano

• Description: A small, complete, and breadboard-friendly microcontroller board based on the ATmega328P.
• Pins: D1/TX, D0/RX, RESET, GND, D2 to D13, VIN, 5V, A0 to A7, AREF, 3V3

Buzzer

• Description: An electromechanical component that produces a loud sound or tone when an electrical signal is applied.
• Pins: PIN, GND

Buzzer Module

• Description: A module that includes a buzzer and can be easily interfaced with microcontrollers.
• Pins: GND, Vcc, I/O

Vibration Motor

• Description: A small motor that vibrates when electricity is applied, used for haptic feedback.
• Pins: POS, NEG

9V Battery

• Description: A standard 9V battery used as the power source for the circuit.
• Pins: +, -

Rocker Switch

• Description: A switch that rocks back and forth to open or close the circuit.
• Pins: 1, 2

Voltage Regulator

• Description: A component that maintains a constant voltage level to the load.
• Pins: IN, GND, OUT

Wiring Details

HC-SR04 Ultrasonic Sensor

• VCC: Connected to the 5V output from the Voltage Regulator.
• TRIG: Connected to digital pins D9 and D5 on the Arduino Nano for the two sensors.
• ECHO: Connected to digital pins D10 and D6 on the Arduino Nano for the two sensors.
• GND: Connected to the common ground in the circuit.

Arduino Nano

• 5V: Receives power from the Voltage Regulator.
• GND: Connected to the common ground in the circuit.
• D9, D5: Connected to the TRIG pins of the HC-SR04 Ultrasonic Sensors.
• D10, D6: Connected to the ECHO pins of the HC-SR04 Ultrasonic Sensors.
• D7: Connected to the POS pin of the Vibration Motor.
• D11/MOSI: Connected to the PIN pin of the buzzer.
• D12/MISO: Connected to the I/O pin of the Buzzer Module.

Buzzer

• PIN: Connected to digital pin D11/MOSI on the Arduino Nano.
• GND: Connected to the common ground in the circuit.

Buzzer Module

• Vcc: Connected to the 5V output from the Voltage Regulator.
• I/O: Connected to digital pin D12/MISO on the Arduino Nano.
• GND: Connected to the common ground in the circuit.

Vibration Motor

• POS: Connected to digital pin D7 on the Arduino Nano.
• NEG: Connected to the common ground in the circuit.

9V Battery

• +: Connected to the IN pin of the Voltage Regulator and one terminal of the Rocker Switch.
• -: Connected to the common ground in the circuit.

Rocker Switch

• Terminal 1: Connected to the + pin of the 9V Battery.
• Terminal 2: Connected to the IN pin of the Voltage Regulator.

Voltage Regulator

• IN: Connected to the + pin of the 9V Battery through the Rocker Switch.
• GND: Connected to the common ground in the circuit.
• OUT: Provides a regulated 5V to the Arduino Nano, HC-SR04 Ultrasonic Sensors, and Buzzer Module.

Documented Code

Arduino Nano Code (sketch.ino)

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

}

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

}

Note: The provided code is a template and does not include specific functionality. It needs to be completed with the logic for interacting with the ultrasonic sensors, buzzer, buzzer module, and vibration motor.