Circuit Documentation

Summary of the Circuit

This circuit is designed to interface an HC-SR04 Ultrasonic Sensor, a 0.96" OLED display, a red two-pin LED, and a water pump with an Arduino UNO microcontroller. The HC-SR04 sensors are used for distance measurement, the OLED display for visual output, and the LED as a status indicator. The water pump is controlled by the Arduino and is likely used for applications requiring fluid movement based on sensor readings. The Arduino UNO serves as the central processing unit, controlling the sensors, the display, and the pump according to the programmed logic.

Component List

HC-SR04 Ultrasonic Sensor

• Description: A sensor that measures distance by emitting ultrasonic waves and measuring the time taken for the echo to return.
• Pins: VCC, TRIG, ECHO, GND

Arduino UNO

• 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 world.
• Pins: UNUSED, IOREF, Reset, 3.3V, 5V, GND, Vin, A0-A5, SCL, SDA, AREF, D0-D13

0.96" OLED

• Description: A small display that uses organic light-emitting diodes to provide a visual interface for the user.
• Pins: GND, VDD, SCK, SDA

LED: Two Pin (red)

• Description: A basic red LED used for indication purposes.
• Pins: cathode, anode

Water Pump

• Description: An electric pump used for moving water or other fluids.
• Pins: VCC, GND

Comments

• Description: Textual annotations or notes that are not physically part of the circuit but may provide additional context or instructions.

Wiring Details

HC-SR04 Ultrasonic Sensor

• VCC connected to Arduino UNO 5V
• TRIG connected to Arduino UNO D4 (for the first sensor) and D2 (for the second sensor)
• ECHO connected to Arduino UNO D5 (for the first sensor) and D3 (for the second sensor)
• GND connected to Arduino UNO GND

Arduino UNO

• 5V used to power the HC-SR04 sensors and the 0.96" OLED
• GND used as a common ground reference for all components
• A4 (SDA) connected to 0.96" OLED SDA
• A5 (SCL) connected to 0.96" OLED SCK
• D4, D5 used to interface with the first HC-SR04 sensor
• D2, D3 used to interface with the second HC-SR04 sensor
• D6 connected to Water Pump VCC
• D7 connected to LED anode

0.96" OLED

• GND connected to Arduino UNO GND
• VDD connected to Arduino UNO 5V
• SCK connected to Arduino UNO A5
• SDA connected to Arduino UNO A4

LED: Two Pin (red)

• cathode connected to Arduino UNO GND
• anode connected to Arduino UNO D7

Water Pump

• VCC connected to Arduino UNO D6
• GND connected to Arduino UNO GND

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.