Circuit Documentation

Summary of the Circuit

This circuit consists of an HC-SR04 Ultrasonic Sensor interfaced with an Arduino UNO microcontroller to potentially measure distance via ultrasonic waves. The circuit also includes a series of blue LEDs, each paired with a resistor, possibly indicating status or providing a visual output that could be related to the sensor readings. The Arduino UNO controls the LEDs and communicates with the ultrasonic sensor.

Component List

HC-SR04 Ultrasonic Sensor

• Pins: VCC, TRIG, ECHO, GND
• Description: An ultrasonic distance sensor capable of measuring distances by emitting and receiving ultrasonic waves.

LED: Two Pin (blue)

• Pins: cathode, anode
• Description: A blue light-emitting diode used for indication or display purposes.

Resistor

• Pins: pin1, pin2
• Description: A passive two-terminal electrical component that implements electrical resistance as a circuit element.
• Properties: Resistance value of 200 Ohms.

Arduino UNO

• 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
• Description: A microcontroller board based on the ATmega328P, widely used for building digital devices and interactive objects that can sense and control objects in the physical and digital world.

Wiring Details

HC-SR04 Ultrasonic Sensor

• VCC connected to Arduino UNO 5V
• GND connected to Arduino UNO GND
• TRIG connected to Arduino UNO D5
• ECHO connected to Arduino UNO D6

LEDs (blue)

• Anode of each LED connected to Arduino UNO GND
• Cathode of each LED connected to one end of a resistor (pin1)

Resistors

• Other end of each resistor (pin2) connected to a digital pin on the Arduino UNO (D7, D8, D9, D10, D11, D12)

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)

No additional documentation provided in the code input.