Circuit Documentation

Summary

This document provides a detailed overview of a circuit that includes various sensors, a WiFi module, motors, and an Arduino UNO microcontroller. The circuit is designed to interface with multiple sensors and actuators, providing a comprehensive setup for a variety of applications.

Component List

Pushbutton

• Description: A simple pushbutton switch.
• Pins: Pin 3 (out), Pin 4 (out), Pin 1 (in), Pin 2 (in)

IR Sensor

• Description: An infrared sensor used for detecting objects or measuring distance.
• Pins: out, gnd, vcc

DHT 11

• Description: A digital temperature and humidity sensor.
• Pins: VCC, GND, DATA

Rain Sensor

• Description: A sensor used to detect the presence of rain.
• Pins: AO, DO, GRD, VCC

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

Motor (Yellow Gear Motor)

• Description: A hobby motor with a gearbox.
• Pins: vcc, GND

12V Power Supply

• Description: A power supply providing 12V output.
• Pins: +, -

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

Module LDR

• Description: A light-dependent resistor module.
• Pins: VCC, GND, DO, AO

Wiring Details

Pushbutton

• Pin 1 (in): Connected to GND of Arduino UNO
• Pin 2 (in): Not connected
• Pin 3 (out): Not connected
• Pin 4 (out): Not connected

IR Sensor

• vcc: Connected to 5V of Arduino UNO
• gnd: Connected to GND of Arduino UNO
• out: Connected to D2 of Arduino UNO

DHT 11

• VCC: Connected to 5V of Arduino UNO
• GND: Connected to GND of Arduino UNO
• DATA: Connected to D3 of Arduino UNO

Rain Sensor

• VCC: Connected to 5V of Arduino UNO
• GRD: Connected to GND of Arduino UNO
• AO: Connected to A0 of Arduino UNO
• DO: Connected to D4 of Arduino UNO

WiFi Module ESP8266-01

• +3V3: Connected to 3.3V of Arduino UNO
• CH-PD Chip power down: Connected to 3.3V of Arduino UNO
• GND: Connected to GND of Arduino UNO
• RX: Connected to D0 of Arduino UNO
• TX: Connected to D1 of Arduino UNO
• Reset: Connected to D7 of Arduino UNO
• GPIO0: Not connected
• GPIO2: Not connected

Motor (Yellow Gear Motor)

• vcc: Connected to 5V of Arduino UNO
• GND: Connected to GND of Arduino UNO

12V Power Supply

• +: Connected to 5V of Arduino UNO
• -: Connected to GND of Arduino UNO

Arduino UNO

• 3.3V: Connected to +3V3 and CH-PD Chip power down of WiFi module ESP8266-01
• 5V: Connected to VCC of Rain Sensor, Motor (Yellow Gear Motor), Module LDR, DHT 11, and IR Sensor
• GND: Connected to GND of Rain Sensor, Motor (Yellow Gear Motor), Module LDR, DHT 11, WiFi module ESP8266-01, IR Sensor, and 12V Power Supply
• A0: Connected to AO of Rain Sensor
• A1: Connected to AO of Module LDR
• D0: Connected to RX of WiFi module ESP8266-01
• D1: Connected to TX of WiFi module ESP8266-01
• D2: Connected to out of IR Sensor
• D3: Connected to DATA of DHT 11
• D4: Connected to DO of Rain Sensor
• D5: Connected to DO of Module LDR
• D7: Connected to Reset of WiFi module ESP8266-01

Module LDR

• VCC: Connected to 5V of Arduino UNO
• GND: Connected to GND of Arduino UNO
• DO: Connected to D5 of Arduino UNO
• AO: Connected to A1 of Arduino UNO

Documented Code

Arduino UNO Code

void setup() {
  // put your setup code here, to run once:

}

void loop() {
  // put your main code here, to run repeatedly:

}

This concludes the documentation for the circuit. Each component is described along with its wiring details, and the code for the Arduino UNO is provided.