Circuit Documentation

Summary

This circuit consists of an Arduino UNO microcontroller, a YF-S201 Water Flow Meter, and an LCD screen 16x2 I2C. The Arduino UNO serves as the central control unit, interfacing with the water flow meter to measure water flow and displaying the data on the LCD screen.

Component List

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

YF-S201 Water Flow Meter

• Description: A sensor used to measure the flow rate of water.
• Pins: SIG, GND, VCC

LCD screen 16x2 I2C

• Description: A 16x2 character LCD display with I2C interface.
• Pins: SCL, SDA, VCC, GND

Wiring Details

Arduino UNO

• D2: Connected to SIG of YF-S201 Water Flow Meter
• GND: Connected to GND of YF-S201 Water Flow Meter and GND of LCD screen 16x2 I2C
• 5V: Connected to VCC of YF-S201 Water Flow Meter and VCC of LCD screen 16x2 I2C
• A5: Connected to SCL of LCD screen 16x2 I2C
• A4: Connected to SDA of LCD screen 16x2 I2C

YF-S201 Water Flow Meter

• SIG: Connected to D2 of Arduino UNO
• GND: Connected to GND of Arduino UNO
• VCC: Connected to 5V of Arduino UNO

LCD screen 16x2 I2C

• SCL: Connected to A5 of Arduino UNO
• SDA: Connected to A4 of Arduino UNO
• VCC: Connected to 5V of Arduino UNO
• GND: Connected to GND of Arduino UNO

Code Documentation

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.txt