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Arduino UNO Ultrasonic Distance Sensor with LED Indicators

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Circuit Documentation

Summary

This circuit involves an Arduino UNO microcontroller interfacing with an HC-SR04 Ultrasonic Sensor and multiple LEDs through resistors. The Arduino UNO is used to control the sensor and LEDs, providing a simple example of sensor integration and LED control.

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. HC-SR04 Ultrasonic Sensor

    • Description: A sensor used to measure distance using ultrasonic waves.
    • Pins: VCC, TRIG, ECHO, GND

  3. Resistor (220 Ohms)

    • Description: A resistor with a resistance of 220 Ohms.
    • Pins: pin1, pin2

  4. LED: Two Pin (white)

    • Description: A white LED with two pins.
    • Pins: cathode, anode

Wiring Details

Arduino UNO

HC-SR04 Ultrasonic Sensor

Resistors

LEDs

Code Documentation

Arduino UNO Code

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

}

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

}

This code is a basic template for the Arduino UNO. The setup() function is where you initialize your settings, and the loop() function is where the main code runs repeatedly. You can add your sensor reading and LED control logic in these functions.