Circuit Documentation

Summary

This document provides a detailed overview of a circuit that includes various components such as LEDs, resistors, sensors, a buzzer, an Arduino UNO, and an ESP32-CAM. The circuit is designed to interface with multiple sensors and output devices, controlled by the Arduino UNO and ESP32-CAM microcontrollers.

Component List

LED: Two Pin (red)

• Description: A red LED with two pins: cathode and anode.
• Pins: cathode, anode

LED: Two Pin (green)

• Description: A green LED with two pins: cathode and anode.
• Pins: cathode, anode

Resistor

• Description: A resistor with two pins.
• Pins: pin1, pin2
• Properties:
  • Resistance: 200 Ohms

MQ-2

• Description: A gas sensor with four pins.
• Pins: GND, VCC, ANALOG, Digital

IR Sensor

• Description: An infrared sensor with three pins.
• Pins: out, gnd, vcc

Buzzer

• Description: A buzzer with two pins.
• Pins: PIN, GND

Arduino UNO

• Description: A microcontroller board with multiple I/O pins.
• 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

ESP32 - CAM

• Description: A microcontroller with camera capabilities.
• Pins: 5V, GND, IO12, IO13, IO15, IO14, IO2, IO4, VOT, VOR, VCC, IO0, IO16, 3V3

3.7V Battery

• Description: A 3.7V battery with two pins.
• Pins: +, -

DHT11

• Description: A temperature and humidity sensor with three pins.
• Pins: DATA, GND, VCC

Wiring Details

LED: Two Pin (red)

• Anode: Connected to pin2 of a resistor.
• Cathode: Connected to GND.

LED: Two Pin (green)

• Anode: Connected to pin2 of a resistor.
• Cathode: Connected to GND.

Resistor

• Resistor 1:

  • Pin1: Connected to D3 of Arduino UNO.
  • Pin2: Connected to DATA of DHT11.

• Resistor 2:

  • Pin1: Connected to D4 of Arduino UNO.
  • Pin2: Connected to anode of green LED.

• Resistor 3:

  • Pin1: Connected to D5 of Arduino UNO.
  • Pin2: Connected to anode of red LED.

• Resistor 4:

  • Pin1: Connected to D8 of Arduino UNO.
  • Pin2: Connected to PIN of buzzer.

MQ-2

• GND: Connected to GND.
• VCC: Connected to VCC.
• ANALOG: Connected to A0 of Arduino UNO.
• Digital: Not connected.

IR Sensor

• Out: Connected to D2 of Arduino UNO.
• GND: Connected to GND.
• VCC: Connected to VCC.

Buzzer

• PIN: Connected to pin2 of a resistor.
• GND: Connected to GND.

Arduino UNO

• D3: Connected to pin1 of a resistor.
• D4: Connected to pin1 of a resistor.
• D5: Connected to pin1 of a resistor.
• D8: Connected to pin1 of a resistor.
• A0: Connected to ANALOG of MQ-2.
• D2: Connected to out of IR sensor.
• D6: Connected to VOT of ESP32 - CAM.
• D7: Connected to VOR of ESP32 - CAM.

ESP32 - CAM

• 3V3: Connected to + of 3.7V battery.
• GND: Connected to - of 3.7V battery.
• VOT: Connected to D6 of Arduino UNO.
• VOR: Connected to D7 of Arduino UNO.

3.7V Battery

• +: Connected to 3V3 of ESP32 - CAM.
• -: Connected to GND of ESP32 - CAM.

DHT11

• DATA: Connected to pin2 of a resistor.
• GND: Connected to GND.
• VCC: Connected to VCC.

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:

}

Additional Documentation

// No additional documentation provided.

This document provides a comprehensive overview of the circuit, including a detailed component list, wiring details, and the code used for the Arduino UNO microcontroller.