Circuit Documentation

Summary

This circuit involves an Arduino UNO microcontroller interfacing with various components including LEDs, resistors, potentiometers, an ultrasonic sensor, a servo motor, and a pushbutton. The circuit is designed to demonstrate basic input and output operations, sensor interfacing, and control mechanisms.

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. LED: Two Pin (red)

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

3. LED: Two Pin (green)

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

4. Resistor (500 Ohms)

   • Description: A resistor with a resistance of 500 Ohms.
   • Pins: pin1, pin2

5. HC-SR04 Ultrasonic Sensor

   • Description: An ultrasonic sensor used for distance measurement.
   • Pins: VCC, TRIG, ECHO, GND

6. Potentiometer

   • Description: A variable resistor with three pins.
   • Pins: GND, Output, VCC

7. Pushbutton

   • Description: A pushbutton with four pins.
   • Pins: Pin 2, Pin 1, Pin 3, Pin 4

8. Servo

   • Description: A servo motor with three pins.
   • Pins: GND, VCC, PWM

Wiring Details

Arduino UNO

• 5V is connected to:

  • VCC of Potentiometer
  • VCC of Servo
  • VCC of HC-SR04 Ultrasonic Sensor

• GND is connected to:

  • GND of Potentiometer
  • GND of Servo
  • GND of HC-SR04 Ultrasonic Sensor
  • cathode of LED (red)
  • cathode of LED (green)
  • Pin 2 of Pushbutton

• A0 is connected to the Output of Potentiometer.

• A1 is connected to the Output of another Potentiometer.

• A2 is connected to the Output of another Potentiometer.

• D10 is connected to Pin 4 of Pushbutton.

• D9 is connected to pin2 of a Resistor.

• D8 is connected to pin2 of another Resistor.

• D5 is connected to PWM of Servo.

• D4 is connected to ECHO of HC-SR04 Ultrasonic Sensor.

• D3 is connected to TRIG of HC-SR04 Ultrasonic Sensor.

LED: Two Pin (red)

• cathode is connected to GND.
• anode is connected to pin1 of a Resistor.

LED: Two Pin (green)

• cathode is connected to GND.
• anode is connected to pin1 of another Resistor.

Resistor (500 Ohms)

• pin1 is connected to the anode of LED (red).
• pin2 is connected to D8 of Arduino UNO.

Resistor (500 Ohms)

• pin1 is connected to the anode of LED (green).
• pin2 is connected to D9 of Arduino UNO.

HC-SR04 Ultrasonic Sensor

• VCC is connected to 5V of Arduino UNO.
• GND is connected to GND of Arduino UNO.
• TRIG is connected to D3 of Arduino UNO.
• ECHO is connected to D4 of Arduino UNO.

Potentiometer

• VCC is connected to 5V of Arduino UNO.
• GND is connected to GND of Arduino UNO.
• Output is connected to A0 of Arduino UNO.

Potentiometer

• VCC is connected to 5V of Arduino UNO.
• GND is connected to GND of Arduino UNO.
• Output is connected to A1 of Arduino UNO.

Potentiometer

• VCC is connected to 5V of Arduino UNO.
• GND is connected to GND of Arduino UNO.
• Output is connected to A2 of Arduino UNO.

Pushbutton

• Pin 2 is connected to GND.
• Pin 4 is connected to D10 of Arduino UNO.

Servo

• VCC is connected to 5V of Arduino UNO.
• GND is connected to GND of Arduino UNO.
• PWM is connected to D5 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:

}

Documentation (documentation.txt)

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