Circuit Documentation

Summary

This circuit is designed to interface an Arduino UNO with various sensors and actuators, including a rain/snow sensor, a water sensor, a WiFi module, a micro servo, and a buzzer. The Arduino UNO serves as the central microcontroller, reading sensor data and controlling the actuators based on the input received.

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

Rain/Snow Sensor - Board

• Description: A sensor board used to detect rain or snow.
• Pins: 1, 2, A0 (Analog), D0 (Digital), GND, VCC (5V)

YL-83 Rain Sensor - Detection Board

• Description: A detection board for the rain sensor.
• Pins: POS, NEG

Water Sensor

• Description: A sensor used to detect the presence of water.
• Pins: Signal, VCC, GND

Wifi Module ESP8266-01

• Description: A WiFi module used for wireless communication.
• Pins: RX, GPIO0, GPIO2, GND, +3V3, Reset, CH-PD Chip power down, TX

Micro Servo 9G

• Description: A small servo motor used for precise control of angular position.
• Pins: GND, +5V, PWM

Buzzer

• Description: An audio signaling device.
• Pins: PIN, GND

Wiring Details

Arduino UNO

• 5V: Connected to VCC (5V) of Rain/Snow Sensor - Board, VCC of Water Sensor, and +5V of Micro Servo 9G
• GND: Connected to GND of Rain/Snow Sensor - Board, GND of Water Sensor, GND of Wifi Module ESP8266-01, GND of Buzzer, and GND of Micro Servo 9G
• A0: Connected to A0 (Analog) of Rain/Snow Sensor - Board
• A1: Connected to Signal of Water Sensor
• 3.3V: Connected to +3V3 of Wifi Module ESP8266-01
• D0: Connected to TX of Wifi Module ESP8266-01
• D1: Connected to RX of Wifi Module ESP8266-01
• D8: Connected to PIN of Buzzer
• D9: Connected to PWM of Micro Servo 9G

Rain/Snow Sensor - Board

• VCC (5V): Connected to 5V of Arduino UNO
• GND: Connected to GND of Arduino UNO
• A0 (Analog): Connected to A0 of Arduino UNO
• 1: Connected to NEG of YL-83 Rain Sensor - Detection Board
• 2: Connected to POS of YL-83 Rain Sensor - Detection Board

YL-83 Rain Sensor - Detection Board

• POS: Connected to 2 of Rain/Snow Sensor - Board
• NEG: Connected to 1 of Rain/Snow Sensor - Board

Water Sensor

• VCC: Connected to 5V of Arduino UNO
• GND: Connected to GND of Arduino UNO
• Signal: Connected to A1 of Arduino UNO

Wifi Module ESP8266-01

• +3V3: Connected to 3.3V of Arduino UNO
• GND: Connected to GND of Arduino UNO
• TX: Connected to D0 of Arduino UNO
• RX: Connected to D1 of Arduino UNO

Micro Servo 9G

• +5V: Connected to 5V of Arduino UNO
• GND: Connected to GND of Arduino UNO
• PWM: Connected to D9 of Arduino UNO

Buzzer

• PIN: Connected to D8 of Arduino UNO
• GND: Connected to GND 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:

}

Additional 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.